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LOUIS CLAUDE MARIE LAURIN
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LOUIS CLAUDE MARIE LAURIN
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Application filed by LOUIS CLAUDE MARIE LAURINfiledCriticalLOUIS CLAUDE MARIE LAURIN
Application grantedgrantedCritical
Publication of FR361677ApublicationCriticalpatent/FR361677A/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
B61L3/04—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 mechanically
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Engineering & Computer Science
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Mechanical Engineering
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FR361677D1905-08-071905-08-07Dispositif pour la protection de trains marchant dans le meme sens
ExpiredFR361677A
(fr)