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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/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
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Engineering & Computer Science
(AREA)
Mechanical Engineering
(AREA)
FR414342D1909-06-161909-06-16
Electrical device preventing the meeting of railway trains on single track
ExpiredFR414342A
(en)