Home / Standards / GB/T 30024-2013 GB/T 30024-2013 Abolished Cranes - Proof of competence of steel structures 起重机 金属结构能力验证 Standard Type GBT ICS 53.020.20 CCS J80 Status 废止 Issue Date 2013-09-27 Implementation 2014-03-01 Responsible Dept 中国机械工业联合会 Drafting Unit N/A