Home / Standards / GB/T 3755-2008 GB/T 3755-2008 Active 24° cone connectors - Branch tee with O-ring 卡套式锥密封组合三通管接头 Standard Type GBT ICS 21.060.60 CCS J15 Status 现行 Issue Date 2008-05-07 Implementation 2008-11-01 Responsible Dept 中国机械工业联合会 Drafting Unit 中国机械工业联合会