Home / Standards / GB/T 16823.2 GB/T 16823.2 Active General rules of tightening for threaded fasteners 螺纹紧固件紧固通则 Standard Type GBT ICS 21.060.01 CCS J13 Status 现行 Issue Date 1997-05-29 Implementation 1997-12-01 Responsible Dept 中国机械工业联合会 Drafting Unit 中国机械工业联合会