Home / Standards / GB 17503-1998 GB 17503-1998 Abolished Specifications for offshore platform engineering geology investigation 海上平台场址工程地质勘察规范 Standard Type GB 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