Home / Standards / GB/T 35478-2017 GB/T 35478-2017 Active Fastener—Steel bolts,screws and studs with polyamide locking pre-coating technical specification 紧固件 螺栓、螺钉和螺柱预涂聚酰胺锁紧层技术条件 Standard Type GBT ICS 21.060.10 CCS J13 Status 现行 Issue Date 2017-12-29 Implementation 2018-07-01 Responsible Dept 中国机械工业联合会 Drafting Unit N/A