Home / Standards / GB/T 37442-2019 GB/T 37442-2019 Active Design methods of drums for offshore cranes 海洋平台起重机卷筒设计方法 Standard Type GBT ICS 47.020.50 CCS U42 Status 现行 Issue Date 2019-05-10 Implementation 2019-12-01 Responsible Dept 国家标准委 Drafting Unit N/A