Home / Standards / GB/T 23465-2009 GB/T 23465-2009 Active Respiratory protective equipment - Practical performance evaluation methods 呼吸防护用品 实用性能评价 Standard Type GBT ICS 13.340 CCS C72 Status 现行 Issue Date 2009-04-01 Implementation 2009-12-01 Responsible Dept 应急管理部 Drafting Unit 应急管理部