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BERNE DE CHAVANNES PAUL
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BERNE DE CHAVANNES PAUL
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Application filed by BERNE DE CHAVANNES PAULfiledCriticalBERNE DE CHAVANNES PAUL
Application grantedgrantedCritical
Publication of FR326529ApublicationCriticalpatent/FR326529A/en
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)
FR326529D1902-11-061902-11-06
System of mechanical devices to prevent and prevent railroad train collisions
ExpiredFR326529A
(en)