购买标准后,可去我的标准下载或阅读
IEC 61097-4:2012+AMD1:2016+AMD2:2019 CSV EN
Global maritime distress and safety system (GMDSS) - Part 4: Inmarsat-C ship earth station and Inmarsat enhanced group call (EGC) equipment - Operational and performance requirements, methods of testing and required test results
REVISED
发布日期 :
2019-06-27
实施日期 :