Home / Standards / GB/T 20652-2006 GB/T 20652-2006 Active Chain slings of welded construction - Grades M(4),S(6) and T(8) M(4)、S(6)和T(8)级焊接吊链 Standard Type GBT ICS 53.020.30 CCS J80 Status 现行 Issue Date 2006-11-11 Implementation 2007-03-01 Responsible Dept 中国机械工业联合会 Drafting Unit 中国机械工业联合会