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Publication of FR873748ApublicationCriticalpatent/FR873748A/fr
B61L—GUIDING RAILWAY TRAFFIC; ENSURING THE SAFETY OF RAILWAY TRAFFIC
B61L5/00—Local operating mechanisms for points or track-mounted scotch-blocks; Visible or audible signals; Local operating mechanisms for visible or audible signals
B61L5/06—Electric devices for operating points or scotch-blocks, e.g. using electromotive driving means
B61L5/065—Construction of driving mechanism
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FR873748D1941-03-061941-03-06Perfectionnements aux moteurs électriques d'aiguilles de chemins de fer
ExpiredFR873748A
(fr)