Purification Technology Edition Security Question [024]
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This post was last edited by hai8487 on 2017-8-3 at 12:21. The hazardous chemicals referred to in the Regulations on the Safety Management of Hazardous Chemicals are 11 categories of dangerous substances. ( ) (×) (Category 7) Coalification Region Purification Technology Edition – 2017 Coal Chemical Industry “My Technical Upgrades” Contest (generous prizes available) http://bbs.hcbbs.com/thread-1786290-1-1.html Registration for Chemical Engineers – Experience Sharing Event “Learning from Others’ Experiences” http://bbs.hcbbs.com/thread-1808158-1-1.html
Error: The hazardous chemicals referred to in the Regulations on the Safety Management of Hazardous Chemicals are 11 categories of dangerous substances. (X)