Home / Standards / GB/T 20946-2007 GB/T 20946-2007 Active short link chain for lifting purposes - General conditions of acceptance 起重用短环链 验收总则 Standard Type GBT ICS 53.020.30 CCS J80 Status 现行 Issue Date 2007-06-25 Implementation 2007-11-01 Responsible Dept 中国机械工业联合会 Drafting Unit N/A