Home / Standards / GB/T 7512-2017 GB/T 7512-2017 Abolished Valves for liquefied petroleum gas cylinders 液化石油气瓶阀 Standard Type GBT ICS 23.020.30 CCS J16 Status 废止 Issue Date 2017-11-01 Implementation 2018-05-01 Responsible Dept 国家标准委 Drafting Unit N/A