Home / Standards / GB/T 17839-2011 GB/T 17839-2011 Active Specification for warning water level determination 警戒潮位核定规范 Standard Type GBT ICS 07.060 CCS A45 Status 现行 Issue Date 2011-12-30 Implementation 2012-01-01 Responsible Dept 自然资源部(海洋) Drafting Unit 自然资源部(海洋)