Home / Standards / GB/T 33146-2016 GB/T 33146-2016 Active Valves for liquefied dimethyl ether cylinders 液化二甲醚瓶阀 Standard Type GBT ICS 23.020.30 CCS J16 Status 现行 Issue Date 2016-10-13 Implementation 2017-05-01 Responsible Dept 国家标准委 Drafting Unit N/A