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HIPPOLYTE EDOUARD GUINARD
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HIPPOLYTE EDOUARD GUINARD
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Application filed by HIPPOLYTE EDOUARD GUINARDfiledCriticalHIPPOLYTE EDOUARD GUINARD
Application grantedgrantedCritical
Publication of FR428850ApublicationCriticalpatent/FR428850A/fr
B61L—GUIDING RAILWAY TRAFFIC; ENSURING THE SAFETY OF RAILWAY TRAFFIC
B61L3/00—Devices along the route for controlling devices on the vehicle or vehicle train, e.g. to release brake, to operate a warning signal
B61L3/02—Devices along the route for controlling devices on the vehicle or vehicle train, e.g. to release brake, 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 vehicle train, e.g. to release brake, to operate a warning signal at selected places along the route, e.g. intermittent control simultaneous mechanical and electrical control controlling mechanically
FR428850D1910-06-301910-06-30Dispositif pour la protection des trains
ExpiredFR428850A
(fr)