Synonyme wurden verwendet für:
NACHRICHT
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keywords:(NACHRICHT)
Wireless telegraphy and safety in maritime navigation
The telephone and its relation to electric tramways
A Hughes printing telegraph of large capacity
Radioelectric communication with ships at sea
Radioelectric communication with ships at sea
The electrical transmission of pictures
De la signalisation aux télécommunications ferroviaire
Radionavigation from satellites: the AVIC system