Home / Standards / GB/T 31304-2014 GB/T 31304-2014 Active Epoxy-coated high strength wire stay cable 环氧涂层高强度钢丝拉索 Standard Type GBT ICS 77.140.65 CCS H49 Status 现行 Issue Date 2014-12-05 Implementation 2015-09-01 Responsible Dept 中国钢铁工业协会 Drafting Unit N/A