Home / Standards / GB/T 26477.1-2011 GB/T 26477.1-2011 Active Cranes - Design calculation for rail wheels and associated trolley track supporting structure - Part 1: General 起重机 车轮和相关小车承轨结构的设计计算 第1部分：总则 Standard Type GBT ICS 53.020.20 CCS J80 Status 现行 Issue Date 2011-05-12 Implementation 2011-12-01 Responsible Dept 中国机械工业联合会 Drafting Unit 中国机械工业联合会