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See Chinese contents: GB 4066-2017 GB 4066-2017: Powder extinguishing agent
This Standard specifies the terms and definitions, models, technical requirements, test methods, inspection rules, marks, packaging, transportation and storage for powder extinguishing agent. This Standard applies to powder extinguishing agent whose major chemical content is not less than 75%. It is not suitable for ultra-fine powder extinguishing agent specified in GA 578 and Class D powder extinguishing agent specified in GA 979.
