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GEORGES ALBERT GRENIER
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GEORGES ALBERT GRENIER
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Application filed by GEORGES ALBERT GRENIERfiledCriticalGEORGES ALBERT GRENIER
Application grantedgrantedCritical
Publication of FR465853ApublicationCriticalpatent/FR465853A/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
(AREA)
Mechanical Engineering
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FR465853D1913-12-061913-12-06Dispositif pour la répétition des signaux sur les locomotives et l'arret automatique des trains
ExpiredFR465853A
(fr)