Home / Standards / GB/T 5779.3 GB/T 5779.3 Active Fasteners--Surface discontinuities--Bolts，screws and studs for special requirements 紧固件表面缺陷 螺栓、螺钉和螺柱 特殊要求 Standard Type GBT ICS 21.060.10 CCS J13 Status 现行 Issue Date 2000-09-26 Implementation 2001-02-01 Responsible Dept 中国机械工业联合会 Drafting Unit 中国机械工业联合会