Home / Standards / GB/T 15188.1-1994 GB/T 15188.1-1994 Abolished Face-to-face, centre-to-face, end-to-end and centre-to-end dimensions of valves--Buttwelding valves 阀门的结构长度 对焊连接阀门 Standard Type GBT ICS 23.060 CCS J16 Status 废止 Issue Date 1994-08-29 Implementation 1995-07-01 Responsible Dept N/A Drafting Unit N/A