Home / Standards / GB/T 40534-2021 GB/T 40534-2021 Active Ships and marine technology—Loose gear of lifting appliances on ships—Hooks 船舶与海洋技术 船用起重设备可拆卸零部件 吊钩 Standard Type GBT ICS 47.020.40 CCS U22 Status 现行 Issue Date 2021-08-20 Implementation 2022-03-01 Responsible Dept 国家标准委 Drafting Unit N/A