Home / Standards / GB/T 3763-2008 GB/T 3763-2008 Active 24° cone connectors and flared couplings - Hexagon thin nut 管接头用六角薄螺母 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