Home / Standards / GB/T 40702-2021 GB/T 40702-2021 Active Specification for geohazard prevention of oil and gas pipelines 油气管道地质灾害防护技术规范 Standard Type GBT ICS 75.200 CCS E 16 Status 现行 Issue Date 2021-10-11 Implementation 2022-05-01 Responsible Dept 国家标准委 Drafting Unit N/A