Home / Standards / GB 6222-2005 GB 6222-2005 Abolished Safety code for gas of industrial enterprises 工业企业煤气安全规程 Standard Type GB ICS 75.160 CCS C67 Status 废止 Issue Date 2005-09-06 Implementation 2006-07-01 Responsible Dept 应急管理部 Drafting Unit 应急管理部