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ALBERT DELCAMP
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ALBERT DELCAMP
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Application filed by ALBERT DELCAMPfiledCriticalALBERT DELCAMP
Application grantedgrantedCritical
Publication of FR414342ApublicationCriticalpatent/FR414342A/fr
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
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Engineering & Computer Science
(AREA)
Mechanical Engineering
(AREA)
FR414342D1909-06-161909-06-16Dispositif électrique empechant la rencontre des trains de chemins de fer sur voie unique
ExpiredFR414342A
(fr)