Global maritime distress and safety system (GMDSS)
著者
書誌事項
Global maritime distress and safety system (GMDSS)
(N.P., 285 . Admiralty list of radio signals ; v. 5)
United Kingdom Hydrographic Office, c2017
- 2017/18
Global maritime distress and safety system (GMDSS)
(N.P., 285 . Admiralty list of radio signals ; v. 5)
United Kingdom Hydrographic Office, c2017