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NVENZIONI ING BEER
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NVENZIONI ING BEER
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Publication of FR359970ApublicationCriticalpatent/FR359970A/fr
B61L—GUIDING RAILWAY TRAFFIC; ENSURING THE SAFETY OF RAILWAY TRAFFIC
B61L3/00—Devices along the route for controlling devices on the vehicle or train, e.g. to release brake or to operate a warning signal
B61L3/02—Devices along the route for controlling devices on the vehicle or train, e.g. to release brake or to operate a warning signal at selected places along the route, e.g. intermittent control simultaneous mechanical and electrical control
B61L3/08—Devices along the route for controlling devices on the vehicle or train, e.g. to release brake or to operate a warning signal at selected places along the route, e.g. intermittent control simultaneous mechanical and electrical control controlling electrically
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Engineering & Computer Science
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Mechanical Engineering
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FR359970D1905-06-191905-06-19Dispositif électromagnétique pour éviter les collisions de trains de chemins de fer
ExpiredFR359970A
(fr)