Home / Standards / GB 11174-1997 GB 11174-1997 Abolished Liquefied petroleum gases 液化石油气 Standard Type GB ICS 75.160.30 CCS E24 Status 废止 Issue Date 1997-10-14 Implementation 1998-04-01 Responsible Dept 中国石油化工集团公司 Drafting Unit N/A