Home / Standards / GB/T 19721.3-2006 GB/T 19721.3-2006 Abolished The issue of marine forecasts and warnings Part 3: The issue of sea ice forecasts and warnings 海洋预报和警报发布 第3部分：海冰预报和警报发布 Standard Type GBT ICS 07.060 CCS A45 Status 废止 Issue Date 2006-06-19 Implementation 2006-12-01 Responsible Dept 自然资源部（海洋） Drafting Unit N/A