Home / Standards / GB/T 17501-1998 GB/T 17501-1998 Abolished Specification for marine engineering topographicsurveying 海洋工程地形测量规范 Standard Type GBT ICS 07.060 CCS A45 Status 废止 Issue Date 1998-10-12 Implementation 1999-04-01 Responsible Dept 自然资源部(海洋) Drafting Unit N/A