Home / Standards / GB/T 35146-2017 GB/T 35146-2017 Active Petroleum and natural gas industries—Offshore drilling and workover equipment 石油天然气工业 海上钻井和修井设备 Standard Type GBT ICS 75.180.10 CCS E92 Status 现行 Issue Date 2017-12-29 Implementation 2018-07-01 Responsible Dept 国家标准委 Drafting Unit N/A