Home / Standards / GB/T 13752-2017 GB/T 13752-2017 Active Design rules for tower cranes 塔式起重机设计规范 Standard Type GBT ICS 53.020.20 CCS J80 Status 现行 Issue Date 2017-02-28 Implementation 2017-09-01 Responsible Dept 中国机械工业联合会 Drafting Unit N/A