Home / Standards / GB/T 34025-2017 GB/T 34025-2017 Active Pinion type progressive safety device for builders hoist 施工升降机用齿轮渐进式防坠安全器 Standard Type GBT ICS 91.140.90 CCS J80 Status 现行 Issue Date 2017-07-12 Implementation 2018-02-01 Responsible Dept 中国机械工业联合会 Drafting Unit N/A