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Compagnie Generale de Signalisation
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Compagnie Generale de Signalisation
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Application filed by Compagnie Generale de SignalisationfiledCriticalCompagnie Generale de Signalisation
Application grantedgrantedCritical
Publication of FR714790ApublicationCriticalpatent/FR714790A/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
B61L5/04—Fluid-pressure devices for operating points or scotch-blocks
B61L5/045—Fluid-pressure devices for operating points or scotch-blocks using electrically controlled fluid-pressure operated driving means
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Engineering & Computer Science
(AREA)
Mechanical Engineering
(AREA)
FR714790D1930-04-251931-04-04Perfectionnements dans les appareils de commande du trafic des chemins de fer
ExpiredFR714790A
(fr)