Home / Standards / GB/T 16939-2016 GB/T 16939-2016 Active High strength bolts for joints of space grid structures 钢网架螺栓球节点用高强度螺栓 Standard Type GBT ICS 21.060.10 CCS J13 Status 现行 Issue Date 2016-02-24 Implementation 2016-06-01 Responsible Dept 中国机械工业联合会 Drafting Unit N/A