FR493966A - Système de commande électro-mécanique des aiguilles et signaux de voies ferrées et appareils pour l'application de ce système
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Système de commande électro-mécanique des aiguilles et signaux de voies ferrées et appareils pour l'application de ce système
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B61L—GUIDING RAILWAY TRAFFIC; ENSURING THE SAFETY OF RAILWAY TRAFFIC
B61L19/00—Arrangements for interlocking between points and signals by means of a single interlocking device, e.g. central control
B61L19/06—Interlocking devices having electrical operation
B61L19/14—Interlocking devices having electrical operation with electrical locks
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FR493966D1917-12-191917-12-19Système de commande électro-mécanique des aiguilles et signaux de voies ferrées et appareils pour l'application de ce système
ExpiredFR493966A
(fr)