Home / Standards / GB/T 19672-2021 GB/T 19672-2021 Active Pipeline valves—Technical specification 管线阀门 技术条件 Standard Type GBT ICS 23.060.01 CCS J16 Status 现行 Issue Date 2021-03-09 Implementation 2021-10-01 Responsible Dept 中国机械工业联合会 Drafting Unit N/A