Home / Standards / GB/T 18664-2002 GB/T 18664-2002 Active Selection，use and maintenance of respiratory protective equipment 呼吸防护用品的选择、使用与维护 Standard Type GBT ICS 13.340.30 CCS C73 Status 现行 Issue Date 2002-03-12 Implementation 2002-10-01 Responsible Dept 应急管理部 Drafting Unit N/A