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Deutsche Werke Kiel A G
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Deutsche Werke Kiel A G
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Application filed by Deutsche Werke Kiel A GfiledCriticalDeutsche Werke Kiel A G
Application grantedgrantedCritical
Publication of FR790143ApublicationCriticalpatent/FR790143A/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
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Engineering & Computer Science
(AREA)
Mechanical Engineering
(AREA)
FR790143D1934-05-161935-05-16Installation électrique de signalisation pour passages à niveau de chemins de fer
ExpiredFR790143A
(fr)