Home / Standards / GB/T 37457-2019 GB/T 37457-2019 Active Spudcan penetration technology of self-elevating drilling unit 自升式钻井平台插桩工艺 Standard Type GBT ICS 47.020.01 CCS U06 Status 现行 Issue Date 2019-05-10 Implementation 2019-12-01 Responsible Dept 国家标准委 Drafting Unit N/A