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MEAF Machinerieen en Apparaten Fabrieken NV
Original Assignee
MEAF Machinerieen en Apparaten Fabrieken NV
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Filing date
Publication date
Application filed by MEAF Machinerieen en Apparaten Fabrieken NVfiledCriticalMEAF Machinerieen en Apparaten Fabrieken NV
Application grantedgrantedCritical
Publication of FR752226ApublicationCriticalpatent/FR752226A/fr
B61L—GUIDING RAILWAY TRAFFIC; ENSURING THE SAFETY OF RAILWAY TRAFFIC
B61L29/00—Safety means for rail/road crossing traffic
B61L29/24—Means for warning road traffic that a gate is closed or closing, or that rail traffic is approaching, e.g. for visible or audible warning
B61L29/28—Means for warning road traffic that a gate is closed or closing, or that rail traffic is approaching, e.g. for visible or audible warning electrically operated
B61L29/288—Wiring diagram of the signal control circuits
Landscapes
Engineering & Computer Science
(AREA)
Mechanical Engineering
(AREA)
FR752226D1932-04-121933-03-10Circuit de voie à rails sans potentiel ou portés au même potentiel
ExpiredFR752226A
(fr)