GB/T 20303.5-2021起重机司机室和控制站第5部分:桥式和门式起重机标准
英文:Cranes—Cabins and control stations—Part 5: Overhead travelling and portal bridge cranes GB/T 20303.5-2021介绍: 国家标准《起重机...
英文:Cranes—Cabins and control stations—Part 5: Overhead travelling and portal bridge cranes GB/T 20303.5-2021介绍: 国家标准《起重机...