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Compagnie Generale de Signalisation
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Compagnie Generale de Signalisation
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Filing date
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Application filed by Compagnie Generale de SignalisationfiledCriticalCompagnie Generale de Signalisation
Application grantedgrantedCritical
Publication of FR726027ApublicationCriticalpatent/FR726027A/fr
B61L—GUIDING RAILWAY TRAFFIC; ENSURING THE SAFETY OF RAILWAY TRAFFIC
B61L29/00—Safety means for rail/road crossing traffic
B61L29/02—Guards or obstacles for preventing access to the route
Landscapes
Engineering & Computer Science
(AREA)
Mechanical Engineering
(AREA)
FR726027D1930-11-191931-11-03Perfectionnements dans les commandes des barrières des passages à niveau de chemins de fer ou analogues
ExpiredFR726027A
(fr)