ITU

Верен идее соединить мир

Digital selective-calling systems for future operational requirements of the maritime mobile service

Report M.501-5 (1990)

Status : Withdrawn

Access : Free Download


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1592560 bytes 1990-01-01 E 70000 
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1808351 bytes 1990-01-01 F 70000 
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1802929 bytes 1990-01-01 S 70000