Home / Standards / GB/T 28756-2012 GB/T 28756-2012 Abolished Cable cranes 缆索起重机 Standard Type GBT ICS 53.020.20 CCS J80 Status 废止 Issue Date 2012-11-05 Implementation 2013-02-01 Responsible Dept 中国机械工业联合会 Drafting Unit N/A