Home / Standards / GB/T 39133-2020 GB/T 39133-2020 Active Suspender of suspension bridge 悬索桥吊索 Standard Type GBT ICS 77.140.65 CCS H49 Status 现行 Issue Date 2020-10-11 Implementation 2021-05-01 Responsible Dept 中国钢铁工业协会 Drafting Unit N/A