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Compagnie Generale de Signalisation
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Compagnie Generale de Signalisation
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Publication date
Application filed by Compagnie Generale de SignalisationfiledCriticalCompagnie Generale de Signalisation
Application grantedgrantedCritical
Publication of FR717688ApublicationCriticalpatent/FR717688A/en
B61L—GUIDING RAILWAY TRAFFIC; ENSURING THE SAFETY OF RAILWAY TRAFFIC
B61L23/00—Control, warning or like safety means along the route or between vehicles or trains
B61L23/22—Control, warning or like safety means along the route or between vehicles or trains for controlling traffic in two directions over the same pair of rails
B61L23/24—Control, warning or like safety means along the route or between vehicles or trains for controlling traffic in two directions over the same pair of rails using token systems, e.g. train staffs, tablets
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Engineering & Computer Science
(AREA)
Mechanical Engineering
(AREA)
FR717688D1930-09-111931-05-27
Improvements in railway traffic control apparatus and the like
ExpiredFR717688A
(en)