Home / Standards / GB/T 23511-2021 GB/T 23511-2021 Active Petroleum and natural gas industires—eneral requirements for offshore structures 石油天然气工业 海洋结构的通用要求 Standard Type GBT ICS 75.180.10 CCS E94 Status 现行 Issue Date 2021-12-31 Implementation 2022-07-01 Responsible Dept 国家标准委 Drafting Unit N/A