Home / Standards / GB/T 41520-2022 GB/T 41520-2022 Active Specification for active sources ocean bottom seismograph investigation 主动源海底地震仪调查技术规范 Standard Type GBT ICS 07.060 CCS A45 Status 现行 Issue Date 2022-04-15 Implementation 2022-11-01 Responsible Dept 自然资源部(海洋) Drafting Unit N/A