Home / Standards / GB/T 42053-2022 GB/T 42053-2022 Active Ships and marine technology—Marine cranes—Operation and maintenance requirements 船舶与海洋技术 船用起重机 使用与维护要求 Standard Type GBT ICS 47.020.40 CCS U24 Status 现行 Issue Date 2022-10-12 Implementation 2022-10-12 Responsible Dept 国家标准委 Drafting Unit N/A