Home / Standards / GB/T 17501-2017 GB/T 17501-2017 Active Specification for marine engineering topographic surveying 海洋工程地形测量规范 Standard Type GBT ICS 07.060 CCS A45 Status 现行 Issue Date 2017-11-01 Implementation 2018-05-01 Responsible Dept 自然资源部(海洋) Drafting Unit N/A