Home / Standards / GB/T 33640-2017 GB/T 33640-2017 Active Installation quality inspection code of rack and pinion hoists for persons and materials 齿轮齿条式人货两用施工升降机安装质量检验规程 Standard Type GBT ICS 91.140.90 CCS J80 Status 现行 Issue Date 2017-05-12 Implementation 2017-12-01 Responsible Dept 中国机械工业联合会 Drafting Unit N/A