Home / Standards / GB/T 37347-2019 GB/T 37347-2019 Active Structure details for self-elevating drilling units 自升式钻井平台节点结构 Standard Type GBT ICS 47.020.99 CCS U17 Status 现行 Issue Date 2019-03-25 Implementation 2019-10-01 Responsible Dept 国家标准委 Drafting Unit N/A