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JEAN MICHEL KAH
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JEAN MICHEL KAH
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Application filed by JEAN MICHEL KAHfiledCriticalJEAN MICHEL KAH
Application grantedgrantedCritical
Publication of FR332457ApublicationCriticalpatent/FR332457A/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
(AREA)
FR332457D1903-04-111903-04-11Appareil de sécurité pour voies ferrées "système cale-levier"
ExpiredFR332457A
(fr)