Home / Standards / GB/T 30027-2021 GB/T 30027-2021 Active Round steel short link chains for lifting purposes—Fine tolerance hoist chains for hand operated chain hoists—Grade VH 起重用钢制短环链 手动链式葫芦用高精度链 VH级 Standard Type GBT ICS 53.020.30 CCS J80 Status 现行 Issue Date 2021-03-09 Implementation 2021-10-01 Responsible Dept 中国机械工业联合会 Drafting Unit N/A