Home / Standards / GB 23394-2009 GB 23394-2009 Abolished Self-contained closed-circuit breathing apparatus of compressed oxygen 自给闭路式压缩氧气呼吸器 Standard Type GB ICS 13.340.30 CCS F79 Status 废止 Issue Date 2009-03-31 Implementation 2009-12-01 Responsible Dept 应急管理部 Drafting Unit 应急管理部