Home / Standards / GB 15383 GB 15383 Abolished Outlet connection types and sizes for cylinder valves 气瓶阀出气口连接型式和尺寸 Standard Type GB ICS 23.020.30 CCS J16 Status 废止 Issue Date 1994-12-26 Implementation 1995-08-01 Responsible Dept 国家标准委 Drafting Unit 国家标准委