Home / Standards / GB/T 1955-2019 GB/T 1955-2019 Active Construction winch 建筑卷扬机 Standard Type GBT ICS 91.220 CCS P97 Status 现行 Issue Date 2019-10-18 Implementation 2020-09-01 Responsible Dept 中国机械工业联合会 Drafting Unit N/A