Home / Standards / GB/T 22437.5-2021 GB/T 22437.5-2021 Active Cranes—Design principles for loads and load combinations—Part 5:Overhead travelling and portal bridge cranes 起重机 载荷与载荷组合的设计原则 第5部分:桥式和门式起重机 Standard Type GBT ICS 53.020.20 CCS J80 Status 现行 Issue Date 2021-12-31 Implementation 2022-07-01 Responsible Dept 中国机械工业联合会 Drafting Unit N/A