NBT 47018.8-2022 Technical requirements for ordering welding materials for pressure equipment – Part 8: Welding wires and filler wires made of alloys and intermetallics

GB/T 5293-2010 General-purpose deformed steel bars QB/T 2415-2007 Plastic filamentary materials NB/T 20754.4-2010 Structural design of cast boilers – Safety technical evaluation, Part 4: Circuit devices and electrical components meeting electromagnetic compatibility requirements GB/T 28295-2012 Resin adhesives for construction use NB/T 32101-2015 Technical requirements for PVC-U pumped storage systems GB/T 21854-2008 Design and layout of public restrooms in public places JTSM1024-1982 Method for determining the acidity and alkalinity of kerosene GB/T 34608-2017 Maintenance of pressure vessels in the metallurgical industry JT/T 548.7-2012 Buses – Busbars for secondary power supply, Part 7: Main busbars JTSM1024-1982 Method for determining the acidity and alkalinity of kerosene YY/T 1604-2013 Test methods for flexural strength and absorption properties of incontinence products GB/T 34608-2017 Maintenance of pressure vessels in the metallurgical industry NB/T 20755.9-2013 Technical specifications for boiler structures and connectors, Part 9: Main accessories such as safety valves, check valves, thermometers, pressure gauges, etc. NB 11555-1990 Technical requirements for safety backup devices in steam engines GB/T 22985-2008 Vegetable oils for packing purposes SJ/T 31217-1994 Test methods for the performance of lightweight alloy laminates