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WILLIAM BROOKES MURRAY
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WILLIAM BROOKES MURRAY
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Application filed by WILLIAM BROOKES MURRAYfiledCriticalWILLIAM BROOKES MURRAY
Application grantedgrantedCritical
Publication of FR476712ApublicationCriticalpatent/FR476712A/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
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Engineering & Computer Science
(AREA)
Mechanical Engineering
(AREA)
FR476712D1914-12-111914-12-11Système de commande des trains
ExpiredFR476712A
(fr)