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Recently, the State Administration for Market Regulation (SAMR)* * Standards Committee) approved the release of a number of important * * standard. Released in this batch * * Standards include summer activities, home life, green agricultural development, ship environmental protection, intelligent manufacturing, basic raw materials, logistics services, urban construction, ergonomics, etc. The catalog is as follows: Serial number Standard number Standard name Implementation date 1GB/T 14034.1-2023 Hydraulic transmission connection metal pipe joints Part 1: 24° cone 2023/8/6 2GB/T 28782.1-2023 Hydraulic transmission measurement technology Part 1: General principles 2023/8/6 3GB/T 28782.2-2023 Hydraulic transmission measurement technology Part 2: Measurement of average steady-state pressure in closed circuits 2023/8/6 4GB/T 26163.2-2023 Information and Documentation Document (Archives) Management Metadata Part 2: Conceptualization and Implementation 2024/3/1 5GB/T 42713-2023 Information and Documentation Participant Name Identifier 2024/3/1 6GB/T 42743-2023 Information and Documentation * * Metadata element set for archives of major science and technology projects 2024/3/1 7GB/T 42745-2023 Trusted third-party digital file (archives) warehousing of information and documents 2024/3/1 8GB/T 23981.2-2023 Determination of hiding power of paints and varnishes Part 2: Black and white grid method 2024/3/1 9GB/T 10000-2023 Chinese adult human body size 2024/3/1 10GB/T 15759-2023 Human body template design and use requirements 2024/3/1 11GB/T 16252-2023 Adult hand size classification 2024/3/1 12GB/T 22188.4-2023 Ergonomic design of control center Part 4: Layout and size of workstation 2024/3/1 13GB/T 40261.1-2023 Ergonomics of thermal environment Evaluation of thermal environment in vehicles Part 1: Principles and methods of heat stress assessment and equivalent temperature determination 2024/3/1 14GB/T 42712-2023 Chinese dummy design principles and calibration methods for mechanical damage testing 2024/3/1 15GB/T 42730-2023 Ergonomic static working posture assessment 2024/3/1 16GB/T 42746-2023 Adult three-dimensional foot model 2024/3/1 17GB/T 42841-2023 Ergonomic assessment and management of human body cold and heat stress in thermal environment 2023/8/6 18GB/T 10593.2-2023 Measurement methods for environmental parameters of electrical and electronic products Part 2: Salt spray 2024/3/1 19GB/T 5482-2023 Test method for dynamic tearing of metallic materials 2024/3/1 20GB/T 10671-2023 Test method for specific optical density of smoke produced by solid materials 2024/3/1 21GB/T 5758-2023 Method for determination of particle size, effective particle size and uniformity coefficient of ion exchange resin 2024/3/1 22GB/T 7139-2023 Determination of chlorine content of vinyl chloride homopolymers and copolymers in plastics 2024/3/1 23GB/T 33061.4-2023 Determination of dynamic mechanical properties of plastics Part 4: Non-resonant tensile vibration method 2024/3/1 24GB/T 33061.5-2023 Determination of dynamic mechanical properties of plastics Part 5: Non-resonant bending vibration method 2024/3/1 25GB/T 33061.6-2023 Determination of dynamic mechanical properties of plastics Part 6: Non-resonant shear vibration method 2024/3/1 26GB/T 33061.7-2023 Determination of dynamic mechanical properties of plastics Part 7: Non-resonant torsional vibration method 2024/3/1 27GB/T 42790-2023 Acrylic copolymerized polyvinyl chloride resin 2024/3/1 28GB/T 42917-2023 Polyvinyl chloride resin for matt products 2024/3/1 29GB/T 42918.1-2023 Thermoplastic polyurethane for plastic molding and extrusion Part 1: Nomenclature system and classification basis 2024/3/1 30GB/T 42919.1-2023 Determination of thermal conductivity and thermal diffusion coefficient of plastics Part 1: General provisions 2024/3/1 31GB/T 42919.3-2023 Determination of thermal conductivity and thermal diffusion coefficient of plastics Part 3: Temperature wave analysis method 2024/3/1 32GB/T 42919.4-2023 Determination of thermal conductivity and thermal diffusion coefficient of plastics Part 4: Laser flash method 2024/3/1 33GB/T 42919.6-2023 Determination of thermal conductivity and thermal diffusion coefficient of plastics Part 6: Comparative method based on temperature modulation technology 2024/3/1 34GB/T 42920-2023 Evaluation of fire resistance and fire resistance of plastic fiber reinforced plastic composite materials 2024/3/1 35GB/T 42922-2023 Chemical method for determination of organic solvent extractables in plastics 2024/3/1 36GB/T 42924.1-2023 Determination of the corrosivity of combustion streams generated by plastic smoke Part 1: General terms and applications 2024/3/1 37GB/T 42924.4-2023 Determination of the corrosivity of combustion streams generated by plastic smoke Part 4: Dynamic decomposition method using a cone corrosion meter 2024/3/1 38GB/T 6473-2023 Vertical external broaching machine accuracy inspection 2024/3/1 39GB/T 14660.1-2023 CNC vertical coordinate boring machine Part 1: Accuracy Inspection 2024/3/1 40GB/T 17421.1-2023 General Rules for Machine Tool Inspection Part 1: Geometric accuracy of machine tools under no-load or quasi-static conditions 2024/3/1 41GB/T 17421.2-2023 General Inspection of Machine Tools Part 2: Determination of positioning accuracy and repeat positioning accuracy of CNC axes 2024/3/1 42GB/T 20138-2023 Protection level of electrical equipment shells against external mechanical collision (IK code) 2024/3/1 43GB/T 29314-2023 Specifications for energy-saving transformation of motor systems 2024/3/1 44GB/T 8291-2023 Determination of latex clot content (sieve residue) 2024/3/1 45GB/T 14796-2023 Determination of color index of natural raw rubber 2024/3/1 46GB/T 22461.1-2023 Surface chemical analysis vocabulary Part 1: General terminology and spectroscopy terminology 2024/3/1 47GB/T 42658.4-2023 Surface chemical analysis sample handling, preparation and installation guide Part 4: Reporting the origin, preparation, handling and installation information related to nano-objects before surface analysis 2024/3/1 48GB/T 42659-2023 Surface chemical analysis scanning probe microscopy Use scanning probe microscope to determine geometric quantities: Calibration of measurement system 2024/3/1 49GB/T 42923-2023 Determination of fiber length of glass fiber reinforced plastic products 2024/3/1 50GB/T 26176-2023 Soy milk machine for household and similar purposes 2024/3/1 51GB/T 26185-2023 Fast-heating electric water heater 2024/3/1 52GB/T 42827-2023 Performance test method for AC ventilation fans and their speed regulators for household and similar purposes 2024/3/1 53GB/T 13021-2023 Determination of carbon black content in polyolefin pipes and fittings Calcination and pyrolysis method 2024/3/1 54GB/T 42948-2023 Daily protective polyethylene gloves 2024/3/1 55GB/T 42952.1-2023 Dimensions and tolerances of thermoplastic pipes for fluid transportation Part 1: Metric Series 2024/3/1 56GB/T 42894-2023 Emergency medicinal materials packaging requirements 2023/8/6 57GB/T 10095.2-2023 Cylindrical gear ISO tooth surface tolerance classification system Part 2: Definition and allowable value of comprehensive radial deviation 2024/3/1 58GB/T 17879-2023 Chemical etching inspection of surface tempering after gear grinding 2023/8/6 59GB/T 42870-2023 Acoustic emission detection method and evaluation criteria for non-destructive testing of fiber-reinforced polymers 2023/8/6 60GB/T 42871-2023 Test method for non-destructive testing of acoustic emission signals in concrete 2023/8/6 61GB/T 42872-2023 Non-destructive testing of ultrasonic testing and evaluation methods for in-service steam turbine blades 2023/8/6 62GB/T 10001.8-2023 Public information graphic symbols Part 8: Behavioral Indicator Symbols 2023/12/1 63GB/T 16903.2-2023 Rules for the Representation of Graphical Symbols in Signs Part 2: General symbol elements of public information graphic symbols 2023/12/1 64GB/T 603-2023 Preparation of preparations and products used in chemical reagent test methods 2024/3/1 65GB/T 649-2023 Chemical reagent potassium bromide 2024/3/1 66GB/T 667-2023 Chemical reagent zinc nitrate hexahydrate (zinc nitrate) 2024/3/1 67GB/T 669-2023 Chemical reagent strontium nitrate 2024/3/1 68GB/T 678-2023 Chemical reagent ethanol (absolute ethanol) 2024/3/1 69GB/T 684-2023 Chemical reagent toluene 2024/3/1 70GB/T 686-2023 Chemical reagent Citong 2024/3/1 71GB/T 1270-2023 Chemical Reagent Cobalt Chloride Hexahydrate (Cobalt Chloride) 2024/3/1 72GB/T 9722-2023 Chemical Reagent Gas Chromatography General Principles 2024/3/1 73GB/T 29344-2023 Technical Specification for Harvesting and Processing of Ganoderma Spore Powder 2024/3/1 74GB/T 15092.2-2023 Appliance switches Part 2-1: Special requirements for flexible cord switches 2024/3/1 75GB/T 15092.4-2023 Appliance switches Part 2-4: Special requirements for independent installation of switches 2024/3/1 76GB/T 7232-2023 Metal heat treatment terminology 2024/3/1 77GB/T 8381.3-2023 Determination of lincosamide drugs in feed liquid chromatography-tandem mass spectrometry 2024/3/1 78GB/T 13093-2023 Determination of the total number of bacteria in feed 2024/3/1 79GB/T 13882-2023 Determination of iodine in feed 2024/3/1 80GB/T 13883-2023 Determination of selenium in feed 2024/3/1 81GB/T 14699-2023 Feed sampling 2024/3/1 82GB/T 22260-2023 Determination of protein anabolic hormones in feed liquid chromatography-tandem mass spectrometry 2024/3/1 83GB/T 42956-2023 Determination of tylosin, tylvalosin, and tilmicosin in feed liquid chromatography-tandem mass spectrometry 2024/3/1 84GB/T 42957-2023 Determination of lysine, methionine and threonine content in amino acid products and additive premixed feeds 2024/3/1 85GB/T 42959-2023 Feed microbial inspection and sampling 2024/3/1 86GB/T 42744-2023 Microwave circuit electrically adjustable attenuator test method 2024/3/1 87GB/T 42835-2023 Semiconductor integrated circuit system-on-chip (SoC) 2023/12/1 88GB/T 42836-2023 Microwave semiconductor integrated circuit mixer 2023/12/1 89GB/T 42837-2023 Microwave semiconductor integrated circuit amplifier 2023/12/1 90GB/T 42838-2023 Semiconductor integrated circuit Hall circuit test method 2023/12/1 91GB/T 42839-2023 Semiconductor integrated circuit analog-to-digital (AD) converter 2023/12/1 92GB/T 42848-2023 Semiconductor integrated circuit direct digital frequency synthesizer test method 2023/12/1 93GB/T 29193-2023 Incoterms abbreviation code 2023/12/1 94GB/T 19831.3-2023 Oil and gas industry casing centralizer Part 3: Rigid and semi-rigid centralizers 2024/3/1 95GB/T 27668-2023 Microscope optical microscopy terminology 2024/3/1 96GB/T 42886-2023 Microscope digital imaging display imaging performance information provided to users by the microscope 2024/3/1 97GB/T 10510-2023 Nitrate phosphate fertilizer, nitrate phosphate potassium fertilizer 2024/3/1 98GB/T 42812-2023 General technical specifications for soil improvement in continuous cropping obstacles 2024/3/1 99GB/T 42817-2023 Technical specifications for the use of soil conditioners in agricultural product production areas 2024/3/1 100GB/T 42819-2023 General technical regulations for passivation of heavy metal contaminated soil in agricultural product producing areas 2024/3/1 101GB/T 42828.1-2023 General technology for improvement of saline-alkali land Part 1: Iron tailings improvement 2024/3/1 102GB/T 42828.2-2023 General technology for saline-alkali land improvement Part 2: Rice fields, ponds, fisheries and agriculture improvement 2024/3/1 103GB/T 42828.3-2023 General technology for saline-alkali land improvement Part 3: Biological improvement 2024/3/1 104GB/T 42954-2023 Determination of plant growth regulators in fertilizers Gas chromatography-mass spectrometry 2024/3/1 105GB/T 42955-2023 Determination of total nitrogen content in fertilizers Dumas combustion method 2024/3/1 106GB/T 42958-2023 Guidelines for writing instructions for fertilizer products 2024/3/1 107GB/T 42887-2023 Measurement of digital camera shooting time lag, shutter time lag, shooting speed and boot time 2024/3/1 108GB/T 15000.5-2023 Standard Sample Work Guide Part 5: Internal development of quality control samples 2023/8/6 109GB/T 15969.10-2023 Programmable Controller Part 10: XML Open Interactive Format for PLC 2024/3/1 110GB/T 18659-2023 Guide for the use of electromagnetic flowmeters for the measurement of fluid flow in closed pipes 2024/3/1 111GB/T 20818.13-2023 Data structures and elements in industrial process measurement and control process equipment catalogs Part 13: List of properties (LOP) for electronic data exchange of pressure measuring equipment 2024/3/1 112GB/T 20818.14-2023 Data structures and elements in catalogs of industrial process measurement and control process equipment Part 14: List of properties for electronic data exchange of temperature measuring equipment (LOP) 2024/3/1 113GB/T 20818.15-2023 Data structures and elements in industrial process measurement and control process equipment catalogs Part 15: List of properties (LOPs) for electronic data exchange of level measuring equipment 2024/3/1 114GB/T 25922-2023 Measurement of fluid flow in closed pipes using vortex flowmeters installed in circular cross-section pipes filled with fluid 2024/3/1 115GB/T 42834-2023 Functional safety operation and maintenance requirements for oil and gas pipeline safety instrumentation systems 2024/3/1 116GB/T 13217.7-2023 Ink adhesion test method 2024/3/1 117GB/T 1653-2023 Ortho and p-nitrochlorobenzene 2024/3/1 118GB/T 21888-2023C.I. Acid Red 131 (Acid Brilliant Red P-9B 150%) 2024/3/1 119GB/T 42908-2023 Determination of organic halogen content in textile dyeing and finishing auxiliary products 2024/3/1 120GB/T 4795-2023 Marine bilge water treatment device 2024/3/1 121GB/T 10833-2023 Technical conditions for marine domestic sewage treatment system 2024/3/1 122GB/T 12918-2023 Oil tanker oil discharge monitoring system technical conditions 2024/3/1 123GB/T 34033.3-2023 Ship and offshore technology ship anti-fouling bottom system risk assessment Part 3: Human health risk assessment method of antifouling active substances during the application and removal of marine antifouling primers 2024/3/1 124GB/T 42798-2023 Ship domestic sewage collection system 2024/3/1 125GB/T 42799-2023 Ship and marine technology navigation and shallow water engineering ship anchor winch 2024/3/1 126GB/T 42868-2023 Technical Conditions for Ship Reclaimed Water Reuse and Treatment Devices 2024/3/1 127GB/T 26174-2023 Kitchen paper towels 2024/9/1 128GB/T 42943-2023 General Technical Conditions for Pulp Molded Products 2024/3/1 129GB/T 42944-2023 Determination of effective recycled components of paper, cardboard and paper products 2024/3/1 130GB/T 42945-2023 Determination of mass fraction of fine fibers in pulp 2024/3/1 131GB/T 42946-2023 Stability requirements of ordinary image printing paper 2024/3/1 132GB/T 23220.1-2023 Tobacco Leaf Storage and Storage Methods Part 1: Raw Tobacco 2023/12/1 133GB/T 23220.2-2023 Tobacco Leaf Storage and Storage Methods Part 2: Pianyan 2023/12/1 134GB/T 42869-2023 Requirements for simplification and lightweighting of three-dimensional models of mechanical products 2023/12/1 135GB/T 24437-2023 Classification and evaluation of prosthetic and orthotic configuration mechanisms 2024/3/1 136GB/T 41170.1-2023 Test methods for skin protection products for ostomy auxiliary devices Part 1: Size, surface pH and water absorption 2024/3/1 137GB/T 42814-2023 Design principles for graphic symbol communication boards 2023/8/6 138GB/T 42818.1-2023 Cognitive Accessibility Part 1: General Guidelines 2023/8/6 139GB/T 29327-2023 Technical Requirements for 1000kV Reactor Protection Devices 2024/3/1 140GB/T 3564-2023 Bicycle Parts Classification, Names and Main Terms 2024/3/1 141GB/T 42825-2023 General Technical Specifications for Electric Scooters 2023/8/6 142GB/T 42821-2023 Diagnostic method for nanopest disease in shellfish bags 2024/3/1 143GB/T 26716-2023 Clocks and antimagnetic watches 2024/3/1 144GB/T 42826-2023 Radio clock signal reception test method 2024/3/1 145GB/T 42947-2023 Reliability test methods for watch movements 2024/3/1 146GB/T 42951-2023 General requirements and test methods for watch appearance parts made of hard materials for timekeeping instruments 2024/3/1 147GB/T 42660-2023 Calibration of aerosol particle number concentration condensation nuclei particle counter 2024/3/1 148GB/T 5357-2023 Allen wrench 2024/3/1 149GB/T 24748-2023 Reciprocating internal combustion engine flywheel technical conditions 2024/3/1 150GB/T 29636-2023 Suspected * * middle * * Propylamine test 2024/3/1 151GB/T 42429-2023 Forensic science test of organic components in propellants liquid chromatography-mass spectrometry 2024/3/1 152GB/T 42430-2023 Test of ethanol, methanol, n-propanol, propyl alcohol, isopropyl alcohol and n-butanol in blood and urine 2024/3/1 153GB/T 35964-2023 Securities and Related Financial Instruments Classification of Financial Instruments (CFI) Code 2023/8/6 154GB/T 42708-2023 Financial Network Security Threat Information Sharing Guide 2023/8/6 155GB/T 42775-2023 Securities and Futures Industry Data Security Risk Prevention and Control Data Classification and Grading Guidelines 2023/8/6 156GB/T 42777-2023 Technical Framework Guide for Construction of Financial Risk Prevention and Control Knowledge Graph Based on Text Data 2023/8/6 157GB/T 42815-2023 Bond Price Index Product Description Specification 2023/8/6 158GB/T 42925-2023 Internet Finance Personal Network Consumer Credit Information Disclosure 2023/12/1 159GB/T 42926-2023 Financial information system network security risk assessment specifications 2023/12/1 160GB/T 42927-2023 Financial industry open source software evaluation specifications 2023/8/6 161GB/T 42929-2023 Internet financial intelligent risk prevention and control technical requirements 2023/12/1 162GB/T 42930-2023 Internet Financial Personal Identification Technical Requirements 2023/12/1 163GB/T 42953-2023 Basic Chinese Veterinary Terminology 2024/3/1 164GB/T 12274.401-2023 Quartz crystal oscillator with quality assessment Part 4-1: Blank Detailed Specification Capability Approval 2023/12/1 165GB/T 27700.1-2023 Surface Acoustic Wave Filters with Quality Assessment Part 1 : General Specification 2023/12/1 166GB/T 713.1-2023 Steel plates and steel strips for pressure-bearing equipment Part 1: General requirements 2024/3/1 167GB/T 713.2-2023 Steel plates and steel strips for pressure-bearing equipment Part 2: Non-alloy steel and alloy steel with specified temperature properties 2024/3/1 168GB/T 713.3-2023 Steel plates and steel strips for pressure equipment Part 3: Low alloy steel with specified low temperature properties 2024/3/1 169GB/T 713.4-2023 Steel plates and strips for pressure equipment Part 4: Nickel alloy steel with specified low temperature properties 2024/3/1 170GB/T 713.5-2023 Steel plates and strips for pressure equipment Part 5: High manganese steel with specified low temperature properties 2024/3/1 171GB/T 713.6-2023 Steel plates and steel strips for pressure equipment Part 6: Quenched and tempered high-strength steel 2024/3/1 172GB/T 713.7-2023 Steel plates and steel strips for pressure-bearing equipment Part 7: Stainless steel and heat-resistant steel 2024/3/1 173GB/T 5224-2023 Steel strands for prestressed concrete 2024/3/1 174GB/T 5776-2023 Corrosion of metals and alloys Guidelines for exposure and assessment of metals and alloys in surface seawater 2024/3/1 175GB/T 17899-2023 Corrosion of metals and alloys Potentiometric measurement method of pitting corrosion potential of stainless steel in sodium chloride solution 2024/3/1 176GB/T 20490-2023 Non-destructive testing of steel pipes Automatic ultrasonic detection of delamination defects in seamless and welded steel pipes 2024/3/1 177GB/T 20564.13-2023 High-strength cold-rolled steel plates and strips for automobiles Part 13: Medium manganese steel 2024/3/1 178GB/T 20564.14-2023 High-strength cold rolled steel plates and steel strips for automobiles Part 14: Low density steel 2024/3/1 179GB/T 24179-2023 Indentation strain method for determination of residual stress in metal materials 2024/3/1 180GB/T 24187-2023 Cold drawn precision single-layer welded steel pipe 2024/3/1 181GB/T 25821-2023 Stainless steel strand 2024/3/1 182GB/T 28415-2023 Steel plates and steel strips for fire-resistant structures 2024/3/1 183GB/T 34215-2023 Cold-rolled non-oriented electrical steel strips (sheets) for electric vehicle drive motors 2024/3/1 184GB/T 42661-2023 Test method for stress corrosion susceptibility of steel bars in simulated marine environment for corrosion of metals and alloys 2024/3/1 185GB/T 42662-2023 Non-destructive testing of steel pipes Automatic ultrasonic detection of delamination defects in steel strips/steel plates for welded steel pipes 2024/3/1 186GB/T 42663-2023 Water footprint assessment requirements for the steel industry 2024/3/1 187GB/T 42664-2023 Non-destructive testing of steel pipes Automatic ultrasonic detection of longitudinal and/or transverse defects in welds of welded steel pipes 2024/3/1 188GB/T 42669-2023 Corrosion-resistant spherical flat steel for cargo oil tanks of crude oil tankers 2023/12/1 189GB/T 42670-2023 Method for determination of Rockwell hardness of carbon materials 2024/3/1 190GB/T 42671-2023 Test method for surface roughness of carbon materials 2024/3/1 191GB/T 42672-2023 Method for monitoring environmental factors of corrosion surface seawater exposure test of metals and alloys 2024/3/1 192GB/T 42673-2023 Non-destructive testing of steel pipes Magnetic particle testing for surface defects of ferromagnetic seamless and welded steel pipes 2024/3/1 193GB/T 42677-2023 Non-destructive testing of steel pipes Liquid penetrant testing for surface defects of seamless and welded steel pipes 2024/3/1 194GB/T 42678-2023 Hot-rolled steel for oil and gas engineering 2024/3/1 195GB/T 42785-2023 Bearing steel wire rod 2024/3/1 196GB/T 42795-2023 Steel plate for high strain marine oil and gas pipelines 2024/3/1 197GB/T 42796-2023 Steel mechanical connectors 2024/3/1 198GB/T 42899-2023 Test method for weldability of marine engineering structural steel 2024/3/1 199GB/T 42900-2023 Test method for high strain rate and high temperature compression of metallic materials 2024/3/1 200GB/T 42901-2023 Test method for mechanical connectors of steel bars 2024/3/1 201GB/T 42903-2023 Method for determination of creep cracks and creep-fatigue crack growth rates of metallic materials 2023/12/1 202GB/T 42904-2023 Corrosion of metals and alloys Seawater pipeline dynamic water corrosion test 2024/3/1 203GB/T 42906-2023 Determination of equivalent boron content of graphite materials by inductively coupled plasma atomic emission spectrometry 2024/3/1 204GB/T 42912-2023 Corrosion of metals and alloys High-temperature corrosion test method for metallic materials under static immersion in molten salt or other liquid conditions 2024/3/1 205GB/T 42913-2023 Corrosion of metals and alloys Test method for high temperature corrosion of metal materials embedded in salt, ash or other solids 2024/3/1 206GB/T 42909-2023 Conductive adhesive tape for wireless terminal equipment 2024/3/1 207GB/T 42910-2023 Test method for high temperature compression shear strength of inorganic adhesives 2024/3/1 208GB/T 2988-2023 High alumina bricks 2024/3/1 209GB/T 17601-2023 Test method for acid resistance of refractory materials 2024/3/1 210GB/T 42655-2023 Test method for high temperature compression performance of continuous fiber reinforced ceramic matrix composites 2024/3/1 211GB/T 42665-2023 Porous Ceramic Spherical Indentation Strength Test Method 2024/3/1 212GB/T 42667-2023 Fine Ceramic Room Temperature Isobiaxial Bending Strength Test Method Double Ring Method 2024/3/1 213GB/T 13476-2023 Pre-tensioned Prestressed Concrete Pipe Piles 2024/3/1 214GB/T 1553-2023 Determination of minority carrier lifetime in silicon and germanium Photoconductivity attenuation method 2024/3/1 215GB/T 1555-2023 Semiconductor single crystal crystal orientation determination method 2024/3/1 216GB/T 6616-2023 Testing of semiconductor wafer resistivity and semiconductor thin film sheet resistance non-contact eddy current method 2024/3/1 217GB/T 24582-2023 Determination of metal impurity content on polycrystalline silicon surface by acid leaching-inductively coupled plasma mass spectrometry 2024/3/1 218GB/T 29057-2023 Regulations for evaluation of polycrystalline silicon rods using zone melting crystal pulling method and spectroscopic analysis method 2024/3/1 219GB/T 30652-2023 Trichlorosilane for silicon epitaxy 2024/3/1 220GB/T 34213-2023 High-purity alumina for sapphire single crystal 2024/3/1 221GB/T 35306-2023 Determination of carbon and oxygen content in silicon single crystal by low-temperature Fourier transform infrared spectroscopy 2024/3/1 222GB/T 35307-2023 Fluidized bed method granular silicon 2024/3/1 223GB/T 42676-2023 Semiconductor single crystal crystal quality test 42721-2023 Electronic special gas nitric oxide 2024/3/1 226GB/T 42789-2023 Test method for surface gloss of silicon wafer 2024/3/1 227GB/T 42902-2023 Test method for surface defects of silicon carbide epitaxial wafer Laser scattering method 2024/3/1 228GB/T 42905-2023 Test of thickness of silicon carbide epitaxial layer Infrared reflection method 2024/3/1 229GB/T 42907-2023 Test of non-equilibrium carrier recombination lifetime in silicon ingots, silicon blocks and silicon wafers Non-contact eddy current induction method 2024/3/1 230GB/T 2910.12-2023 Quantitative chemical analysis of textiles Part 12: Mixtures of polyacrylonitrile fibers, certain modified polyacrylonitrile fibers, certain chlorine-containing fibers or certain polyurethane elastic fibers and certain other fibers (dimethylformamide method) 2024/3/1 231GB/T 17640-2023 * * Synthetic filament weaving * * Cloth 2024/3/1 232GB/T 18887-2023 * * Synthetic materials woven/nonwoven composite * * Cloth 2024/3/1 233GB/T 42699.2-2023 Textiles Qualitative and quantitative analysis of proteome of certain animal hair fibers Part 2: Reduced protein peptide analysis matrix-assisted laser desorption ionization time-of-flight mass spectrometry (MALDI-TOF-MS) method 2024/3/1 234GB/T 42942-2023 Schober wear resistance test method for textile materials used in automotive interiors 2024/3/1 235GB/T 29863-2023 Clothing graphics 2024/3/1 236GB/T 24716-2023 General technical specifications for solar power supply systems for facilities along highways 2023/12/1 237GB/T 20147.3-2023 Colorimetry Part 3: CIE Tristimulus Value 2024/3/1 238GB/T 20147.4-2023 Colorimetry Part 4: CIE 1976L * a * b * Color space 2024/3/1 239GB/T 20150-2023 Erythema reference action spectrum and standard erythema dose 2024/3/1 240GB/T 42824-2023 Emergency lighting 2024/3/1 241GB/T 5905.1-2023 Crane inspection and test specifications Part 1: General Regulations 2023/8/6 242GB/T 15677-2023 Metal lanthanum and lanthanum powder 2024/3/1 243GB/T 29918-2023 Test method for pressure-composition isotherm (PCI) of rare earth hydrogen storage alloys 2024/3/1 244GB/T 42656-2023 Test method for kinetic performance of hydrogen absorption and release reaction of rare earth hydrogen storage alloys 2024/3/1 245GB/T 42668-2023 Samarium iron nitrogen bonded permanent magnetic powder 2024/3/1 246GB/T 42707.1-2023 Remote operation and maintenance of CNC machine tools Part 1: General requirements 2024/3/1 247GB/T 469-2023 Lead ingots 2024/3/1 248GB/T 3114-2023 Copper and copper alloy flat wires 2024/3/1 249GB/T 3251-2023 Compression test methods for aluminum and aluminum alloy products 2024/3/1 250GB/T 3620.2-2023 Allowable deviation of chemical composition of titanium and titanium alloy processed products 2024/3/1 251GB/T 3624-2023 Titanium and titanium alloy seamless pipes 2024/3/1 252GB/T 3884.12-2023 Chemical analysis method of copper concentrate Part 12: Determination of fluorine and chlorine content Ion chromatography and potentiometric titration 2024/3/1 253GB/T 3884.18-2023 Methods for chemical analysis of copper concentrates Part 18: Determination of arsenic, antimony, bismuth, lead, zinc, nickel, cadmium, cobalt, chromium, aluminum oxide, magnesium oxide, calcium oxide content by inductively coupled plasma atomic emission spectrometry 2024/3/1 254GB/T 5166-2023 Determination of elastic modulus of sintered metal materials and cemented carbide 2024/3/1 255GB/T 5246-2023 Electrolytic copper powder 2024/3/1 256GB/T 6150.4-2023 Chemical analysis method of tungsten concentrate Part 4: Determination of sulfur content by high-frequency induction infrared absorption method and combustion-iodometric method 2024/3/1 257GB/T 6150.6-2023 Chemical analysis method of tungsten concentrate Part 6: Gravimetric method for determination of wet water content 2024/3/1 258GB/T 6150.8-2023 Chemical analysis method for tungsten concentrate Part 8: Determination of molybdenum content Thiocyanate spectrophotometry 2024/3/1 259GB/T 6150.10-2023 Chemical analysis method of tungsten concentrate Part 10: Determination of lead content Hydride generation atomic fluorescence spectrometry and flame atomic absorption spectrometry 2024/3/1 260GB/T 6150.12-2023 Chemical analysis method of tungsten concentrate Part 12: Determination of silica content silicon-molybdenum blue spectrophotometry and gravimetric method 2024/3/1 261GB/T 6150.15-2023 Chemical analysis method of tungsten concentrate Part 15: Determination of bismuth content Hydride generation atomic fluorescence spectrometry and flame atomic absorption spectrometry 2024/3/1 262GB/T 6609.25-2023 Methods for chemical analysis and physical properties of alumina Part 25: Determination of loose and tapped density 2024/3/1 263GB/T 6609.27-2023 Methods for chemical analysis and physical properties of alumina Part 27: Particle size analysis and screening method 2024/3/1 264GB/T 6609.35-2023 Methods for chemical analysis and physical properties of alumina Part 35: Determination of specific surface area Nitrogen adsorption method 2024/3/1 265GB/T 8151.26-2023 Chemical analysis method of zinc concentrate Part 26: Determination of silver content Acid dissolution-flame atomic absorption spectrometry 2024/3/1 266GB/T 8180-2023 Packaging, marking, transportation and storage of titanium and titanium alloy processed products 2024/3/1 267GB/T 11064.9-2023 Chemical analysis methods for lithium carbonate, lithium hydroxide monohydrate, and lithium chloride Part 9: Determination of sulfate content Barium sulfate turbidity method 2024/3/1 268GB/T 11064.16-2023 Methods for chemical analysis of lithium carbonate, lithium hydroxide monohydrate, and lithium chloride Part 16: Determination of calcium, magnesium, copper, lead, zinc, nickel, manganese, cadmium, aluminum, iron and sulfate content by inductively coupled plasma atomic emission spectrometry 2024/3/1 269GB/T 16475-2023 Deformed aluminum and aluminum alloy product status code 2024/3/1 270GB/T 16865-2023 Specimens and methods for tensile testing of deformed aluminum, magnesium and their alloy processed products 2024/3/1 271GB/T 22638.11-2023 Aluminum foil test methods Part 11: Test of mechanical properties 2024/3/1 272GB/T 22648-2023 Aluminum plastic composite hose, aluminum foil for battery soft packaging 2024/3/1 273GB/T 23271-2023 Molybdenum disulfide 2024/3/1 274GB/T 23609-2023 Copper alloy seamless pipe for seawater desalination equipment 2024/3/1 275GB/T 23611-2023 Gold and gold alloy target 2024/3/1 276GB/T 26038-2023 Tungsten-based high specific gravity alloy plate 2024/3/1 277GB/T 26053-2023 Carbide-based thermal spray powder 2024/3/1 278GB/T 26063-2023 Beryllium aluminum alloy 2024/3/1 279GB/T 26725-2023 Ultrafine tungsten carbide powder 2024/3/1 280GB/T 27683-2023 Copper and copper alloy cutting chips and their recycling specifications 2024/3/1 281GB/T 42654-2023 Test method for seawater erosion corrosion of copper and copper alloys 2024/3/1 282GB/T 42787-2023 High-entropy alloy powder for additive manufacturing 2024/3/1 283GB/T 42914-2023 Test method for fracture toughness of aluminum alloy products 2024/3/1 284GB/T 42915-2023 Specification for the identification of copper concentrates and main copper-containing materials 2024/3/1 285GB/T 42916-2023 Aluminum and aluminum alloy product identification 2024/3/1 286GB/T 12956-2023 Bathroom supporting equipment requirements 2024/3/1 287GB/T 23447-2023 Sanitary ware shower head 2024/3/1 288GB/T 42879-2023 Chemical New Zealand mud snail (Potamopyrgus antipodarum) breeding test 2023/12/1 289GB/T 42880-2023 Chemical bee (Apis mellifera L.) Chronic oral toxicity test (10-day feeding method) 2023/12/1 290GB/T 17928-2023 Leather physical and mechanical testing Determination of pinhole tear strength 2024/3/1 291GB/T 42949-2023 Leather color fastness test Rotating rubbing color fastness 2024/3/1 292GB/T 42950-2023 Leather Color Fastness Test Color Fastness to Saliva 2024/3/1 293GB/T 35274-2023 Information Security Technology Big Data Service Security Capability Requirements 2024/3/1 294GB/T 42884-2023 Information Security Technology Mobile Internet Application (App) Life Cycle Security Management Guide 2024/3/1 295GB/T 42888-2023 Information Security Technology Machinery * Algorithm Security Assessment Specifications 2024/3/1 296GB/T 27000-2023 Conformity Assessment Vocabulary and General Principles 2023/8/6 297GB/T 27021.12-2023 Conformity Assessment Management System Audit and Certification Body Requirements Part 12: Collaborative business relationship management system audit and certification capability requirements 2023/8/6 298GB/T 25198-2023 Pressure vessel head 2024/3/1 299GB/T 27698.2-2023 Heat exchanger and heat transfer element performance test method Part 2: Heat exchanger 2023/8/6 300GB/T 28712.4-2023 Heat exchanger type and basic parameters Part 4: Thermosiphon reboiler 2023/12/1 301GB/T 28712.5-2023 Heat exchanger type and basic parameters Part 5: Spiral plate heat exchanger 2023/12/1 302GB/T 28712.6-2023 Heat exchanger types and basic parameters Part 6: Air-cooled heat exchanger2023/12/1 303GB/T 7251.1-2023 Low-voltage complete switchgear and control equipment Part 1: General Provisions 2024/3/1 304GB/T 7251.2-2023 Low-voltage complete switchgear and control equipment Part 2: Complete set of power switch and control equipment 2024/3/1 305GB/T 42928-2023 Code of good practice for reverse logistics services 2023/8/6 306GB/T 42732-2023 Nanotechnology Size distribution and concentration measurement of inorganic nanoparticles in aqueous phase Single particle inductively coupled plasma mass spectrometry 2024/3/1 307GB/T 42739-2023 Nanotechnology Terminology Nanozyme 2024/3/1 308GB/T 42629.4-2023 International Regulations for Environmental Investigation of Seabed Areas and High Seas Part 4: Survey on physical properties of marine sediments 2024/3/1 309GB/T 42855-2023 Technical requirements for hydrogen fuel cell vehicle filling agreement 2023/12/1 310GB/T 42857-2023 Safety requirements for pressure swing adsorption purification hydrogen system 2023/12/1 311GB/T 27914-2023 Risk Management Legal Risk Management Guide 2023/8/6 312GB/T 27921-2023 Risk Management Risk Assessment Technology 2023/8/6 313GB/T 6730.84-2023 Determination of Total Rare Earth Content in Iron Ore Inductively Coupled Plasma Atomic Emission Spectrometry 2024/3/1 314GB/T 6730.85-2023 Preparation and determination of certified standard samples for chemical analysis of iron ore 2024/3/1 315GB/T 6730.86-2023 Determination of radionuclides in iron ore by inductively coupled plasma mass spectrometry 2024/3/1 316GB/T 6730.87-2023 Determination of total iron and other multi-element content in iron ore Wavelength dispersive X-ray fluorescence spectrometry (cobalt internal standard method) 2024/3/1 317GB/T 10322.1-2023 Iron ore sampling and sample preparation method 2024/3/1 318GB/T 42794-2023 Determination of nickel iron carbon, sulfur, silicon, phosphorus, nickel, cobalt, chromium and copper content Spark source atomic emission spectrometry 2024/3/1 319GB/T 26947-2023 Walking pallet truck 2024/3/1 320GB/T 27543-2023 Walking lifting platform truck 2024/3/1 321GB/T 42895-2023 Microelectromechanical systems (MEMS) technology Silicon-based MEMS microstructure bending strength test method 2023/12/1 322GB/T 42896-2023 Microelectromechanical system (MEMS) technology Silicon-based MEMS nanoscale structure impact test method 2023/12/1 323GB/T 42897-2023 Microelectromechanical systems (MEMS) technology Silicon-based MEMS nanometer thickness film tensile strength test method 2023/12/1 324GB/T 42940-2023 Financial information technology budget management software audit data interface 2024/3/1 325GB/T 42847.2-2023 Reversible mode fuel cell module for energy storage system Part 2: Reversible mode proton exchange membrane single cell and stack performance test method 2024/3/1 326GB/T 42892-2023 Project Management Agility Guide 2023/8/6 327GB/T 42877-2023 Meteorological data service interface specification 2023/12/1 328GB/T 42858-2023 Corrosion-resistant alloy coiled tubing 2023/12/1 329GB/T 42864-2023 Sampling facilities and sampling performance inspection of liquefied natural gas 2023/12/1 330GB/T 20705-2023 Quality requirements for cocoa liquid and cocoa cake 2024/3/1 331GB/T 20706-2023 Cocoa powder quality requirements 2024/3/1 332GB/T 20899.15-2023 Gold ore chemical analysis method Part 15: Determination of copper, lead, zinc, silver, iron, manganese, nickel, cobalt, aluminum, chromium, cadmium, antimony, bismuth, arsenic, mercury, selenium, barium and beryllium content by inductively coupled plasma mass spectrometry 2024/3/1 333GB/T 42762-2023 General technical requirements for cup and pot products 2024/3/1 334GB/T 12971.1-2023 Contact wire for electric traction Part 1: Copper and copper alloy contact wires 2024/3/1 335GB/T 12971.2-2023 Contact wires for electric traction Part 2: Steel-aluminum composite contact line 2024/3/1 336GB/T 42846-2023 Space environment non-metallic material space radiation effect ground simulation method 2023/8/6 337GB/T 42859-2023 Aerospace product quality issues three-oriented analysis method implementation requirements 2023/12/1 338GB/T 42860-2023 General requirements for launch vehicle transportation 2023/12/1 339GB/T 42863-2023 General test methods for spacecraft 2023/12/1 340GB/T 42674-2023 Optical functional thin film microstructure thickness test methods 2024/3/1 341GB/T 42921-2023 Method for determination of adhesion of optical functional film polyethylene terephthalate (PET) film protective film 2024/3/1 342GB/T 42849-2023 Protruding head bulging core blind rivet 2024/3/1 343GB/T 42850-20231275MPaMJ threaded bolt 2024/3/1 344GB/T 42851-20231517MPaMJ threaded bolts 2024/3/1 345GB/T 42852-2023 Civil aircraft maintenance technical data specifications 2024/3/1 346GB/T 42853-2023 Civil aircraft flight operation technical data specifications 2024/3/1 347GB/T 42854-2023 General technical specifications for civil aircraft customer training flight simulators 2024/3/1 348GB/T 42856-2023 Civil large and medium-sized unmanned helicopter system flight performance flight test requirements 2024/3/1 349GB/T 42861-2023 General specifications for bulging blind rivets 2024/3/1 350GB/T 42862-2023 General requirements for civil large and medium-sized unmanned helicopter flight control systems 2024/3/1 351GB/T 42865.1-2023 Service industry water quotas Part 1: Swimming spots 2023/12/1 352GB/T 42866-2023 Technical Guidelines for Coal Chemical Wastewater Treatment and Reuse 2023/12/1 353GB/T 42867-2023 Technical Guidelines for Comprehensive Utilization of Coal Mine Pre-drainage 2023/12/1 354GB/T 31958-2023 Substrate glass for amorphous silicon thin film transistor liquid crystal displays 2024/3/1 355GB/T 42653-2023 Test method for high temperature viscosity of glass 2024/3/1 356GB/T 42657-2023 Test method for infrared refractive index temperature coefficient of infrared optical glass Vertical incidence method 2024/3/1 357GB/T 42666-2023 Electronic dye liquid crystal dimming glass 2024/3/1 358GB/T 42788-2023 Smart glass terminology 2024/3/1 359GB/T 28638-2023 Urban heating pipe insulation structure heat dissipation loss test and insulation effect evaluation method 2024/3/1 360GB/T 42937-2023 Express high-speed rail transportation information exchange specifications 2023/12/1 361GB/T 42829-2023 Basic requirements for quantum secure communication applications 2024/3/1 362GB/T 42889-2023 Broadband trunking communication (B-TrunC) system interface technical requirements based on LTE technology (second phase) Interface between TCF and eHSS 2024/3/1 363GB/T 42890-2023 Broadband trunking communication (B-TrunC) system interface technical requirements based on LTE technology (second phase) Inter-TCF interface 2024/3/1 364GB/T 42891-2023 Broadband customer network networking technical requirements based on public telecommunications network Multiple-input multiple-output (MIMO) universal medium wired networking 2024/3/1 365GB/T 30523-2023 Science and Technology Resources Core Metadata 2023/8/6 366GB/T 42813-2023 Data Paper Publishing Metadata 2023/8/6 367GB/T 16984-2023 * * Raw hemp 2024/3/1 368GB/T 42822-2023 Determination method of primary aromatic amines in art supplies 2024/3/1 369GB/T 42941.1-2023 Sports protective gear Fighting sports protective gear Part 1: General requirements and test methods 2023/12/1 370GB/T 32842-2023 Urban public bicycle transportation service specifications 2023/8/6 371GB/T 28561-2023 Ship electrical equipment automation, control and measurement instruments 2024/3/1 372GB/T 38329.3-2023 Port ship-shore connection Part 3: General requirements for low-voltage shore power connection (LVSC) systems 2023/12/1 373GB/T 42724-2023 Ship and Marine Technology Navigation and Ship Operations Marine Telephone Equipment Guide 2024/3/1 374GB/T 42873-2023 Urban Public Facilities Urban Furniture Terminology 2023/8/6 375GB/T 42874-2023 Implementation Evaluation Specification for the Construction of Urban Furniture System for Urban Public Facilities Services 2023/8/6 376GB/T 42875-2023 Classification of Urban Furniture for Urban Public Facilities 2023/8/6 377GB/T 42876-2023 Guidelines for the Construction of Urban Furniture System for Urban Public Facilities 2023/8/6 378GB/T 42878-2023 Application and use requirements for artificial weather modification ground operation airspace 2023/12/1 379GB/T 42960-2023 Calculation method of meteorological factors in the delineation and assessment of ecological protection red lines 2023/12/1 380GB/T 42961-2023 Climate change impact assessment method for vegetation ecological quality 2023/12/1 381GB/T 42832.1-2023 Beidou Satellite-based Augmentation System Space Signal Interface Specification Part 1: Single-frequency enhanced service signal BDSBAS-B1C2024/3/1 382GB/T 42833-2023 Beidou satellite-based enhanced system single-frequency enhanced service airborne equipment minimum performance specifications 2024/3/1 383GB/T 22427.7-2023 Starch viscosity measurement 2024/3/1 384GB/T 29490-2023 Enterprise Intellectual Property Compliance Management System Requirements 2024/1/1 385GB/T 42748-2023 Patent Assessment Guidelines 2023/9/1 386GB/T 41247-2023 E-commerce Livestream Sales Quality Management Specifications 2023/10/1 387GB/T 42893-2023 Implementation Guide for E-commerce Transaction Product Quality Monitoring 2023/12/1 388GB/T 42881-2023 Urban and Community Sustainable Development Smart Sustainable City Maturity Model 2023/12/1 389GB/T 42882-2023 Urban and Community Sustainable Development Smart City Operation Model Guidelines for Responding to Public Health Emergencies 2023/12/1 390GB/T 42883-2023 Smart City Infrastructure Assessment and Improvement Maturity Model 2023/12/1 391GB/T 42820-2023 Multimodal Transport Cargo Classification and Code 2023/12/1 392GB/T 42933-2023 Multimodal Transport Carrier Unit Identification 2023/12/1 393GB/T 42911-2023 Accelerated moisture absorption and supersaturation adjustment method for carbon fiber reinforced composite sealed pressure vessels 2024/3/1 394GB/T 42776-2023 Technology Assessment Classification 2023/8/6 395GB/T 42931-2023 Facility Management Benchmark Comparison Analysis Guide 2023/8/6 396GB/T 42935-2023 Facility Management Information Management Guide 2023/8/6 397GB/T 42936-2023 Facility Management Process Management Guide 2023/8/6 398GB/T 42932-2023 Road Traffic Asset Management System Implementation Guide 2023/8/6 399GB/T 42934-2023 Water Cultural Heritage Value Assessment Guide 2023/8/6 400GB/T 42938-2023 Asset Manager Participation and Capability Guide 2023/8/6 401GB/T 42842.2-2023 Fine Bubble Technology Cleaning Application Part 2: Test methods for mechanical oil stain cleaning on the surface of machined metal parts 2023/12/1 402GB/T 42843.1-2023 Fine bubble technology measurement sampling and sample preparation Part 1: Ultrafine bubble water dispersion system 2024/3/1 403GB/T 42844-2023 Microbubble technology Storage and transportation of ultrafine bubble water dispersion system 2023/12/1 404GB/T 42845.1-2023 Microbubble technology Characterization of microbubbles Part 1: Offline evaluation of particle size index 2024/3/1 405GB/T 42939-2023 General principles for production protection evaluation of ethnic clothing 2023/8/6 406GB/T 42823-2023 Para-aramid filament 2024/3/1 407GB/T 38834.2-2023 Robot service robot performance specifications and test methods Part 2: Navigation 2024/3/1 408GB/T 42830-2023 Mobile robot vocabulary 2024/3/1 409GB/T 42831-2023 General technical conditions for guidance service robots 2024/3/1 410GB/T 9105-2023 Eyeglass lenses Photochromic lenses 2024/3/1 411GB/T 16411-2023 General test methods for household gas burning appliances 2024/3/1 412GB/T 42786-2023 Building shading thermal comfort and visual comfort performance classification and testing methods 2024/3/1 413GB/T 37977.21-2023 Electrostatics Part 2-1: Test Methods Materials and Products Electrostatic Charge Dissipation Capacity 2023/12/1 414GB/T 37977.48-2023 Electrostatics Part 4-8: Standard test methods for electrostatic discharge shielding bags in specific applications 2024/3/1 415GB/T 37977.51-2023 Electrostatics Part 5-1: General requirements for electrostatic protection of electronic devices 2024/3/1 416GB/T 42709.19-2023 Semiconductor devices Microelectronic mechanical devices Part 19: Electronic Compass 2024/3/1 417GB/T 42728-2023 Lithium-ion Battery Pack Safety Design Guide 2024/3/1 418GB/T 42729-2023 Lithium-ion Battery and Battery Pack Safety Use Guide 2024/3/1 419GB/T 42593-2023 * * Classification of basic terms and models of cooperation with social capital 2024/3/1 420GB/T 42652-2023 * * Consulting service requirements for cooperation with social capital 2024/3/1 421GB/T 42965.1-2023 Electronic Invoice Business Data Specification Part 1: Basic elements 2023/8/6 422GB/T 42965.2-2023 Electronic Invoice Business Data Specification Part 2: Specific elements 2023/8/6 423GB/T 42711-2023 Three-dimensional parking garage wireless power supply system technical requirements and test specifications 2024/3/1 424GB/T 42675-2023 Antibacterial stainless steel welded steel pipes and fittings 2024/3/1 425GB/T 42898-2023 Testing of the release of semi-volatile organic compounds (SVOC) in building materials products 2024/3/1 426GB/Z 42885-2023 Information Security Technology Network Security Information Sharing Guide 2024/3/1 427GB/Z 42840-2023 Nanotechnology Utilization * * * * * * * Detection of the efficacy of silver nanoparticles by released muramic acid 2023/8/6 428GB/Z 42964-2023 Evaluation method for effectiveness of deacidification process of library paper documents 2023/8/6 429GB/Z 42842.1-2023 Cleaning application of fine bubble technology Part 1: Test method for surface salt (sodium chloride) stain cleaning 2024/3/1 430GB/Z 42962-2023 Industrial Assistance Pig Industry Project Operation and Management Guide 2023/8/6 431GB/Z 42963-2023 Industrial Assistance Bamboo Industry Project Operation and Management Guide 2023/8/6 432GB/T 38880-2020 Technical Specification for Children's Masks "Modification No. 1" 2023/8/6 433GB/T 12691-2021 Air compressor oil "Modification No. 1" 2023/8/6