Home / Standards / GB/T 10051.9-2010 GB/T 10051.9-2010 Active Lifting hooks - Part 9: Cross pieces 起重吊钩 第9部分：吊钩横梁 Standard Type GBT ICS 53.020.30 CCS J80 Status 现行 Issue Date 2011-01-10 Implementation 2011-09-01 Responsible Dept 中国机械工业联合会 Drafting Unit N/A