Description of system which permits instantaneous two-way transmission between two vehicles in same train, between vehicles in different trains and between vehicles in trains and wayside stations.
Train communication system
Telegraph Telephone Age
Telegraph and Telephone Age ; n 4 ; p 96 + 98
1940
Aufsatz (Zeitschrift)
Englisch
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TRAIN COMMUNICATION SYSTEM AND TRAIN COMMUNICATION METHOD
Europäisches Patentamt | 2016
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