Home / Standards / GB 8958 GB 8958 Abolished Safety regulation for working under hazardous condition of the oxygen deficiency 缺氧危险作业安全规程 Standard Type GB ICS 13.100 CCS C72 Status 废止 Issue Date 1988-04-01 Implementation 1988-11-01 Responsible Dept 应急管理部 Drafting Unit 应急管理部