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D AIGUILLAGES ET APP DE VOIE D
Original Assignee
D AIGUILLAGES ET APP DE VOIE D
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Filing date
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Application filed by D AIGUILLAGES ET APP DE VOIE DfiledCriticalD AIGUILLAGES ET APP DE VOIE D
Application grantedgrantedCritical
Publication of FR828268ApublicationCriticalpatent/FR828268A/fr
B61L—GUIDING RAILWAY TRAFFIC; ENSURING THE SAFETY OF RAILWAY TRAFFIC
B61L5/00—Local operating mechanisms for points or track-mounted scotch-blocks; Visible or audible signals; Local operating mechanisms for visible or audible signals
Landscapes
Engineering & Computer Science
(AREA)
Mechanical Engineering
(AREA)
FR828268D1937-10-251937-10-25Dispositif de sécurité pour manoeuvre d'aiguilles d'appareils de voie
ExpiredFR828268A
(fr)