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RENE BUJON
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RENE BUJON
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Publication of FR15877EpublicationCriticalpatent/FR15877E/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
B61L23/08—Control, warning or like safety means along the route or between vehicles or trains for controlling traffic in one direction only
B61L23/12—Control, warning or like safety means along the route or between vehicles or trains for controlling traffic in one direction only partly operated by train
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Engineering & Computer Science
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Mechanical Engineering
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FR15877D1905-02-131912-05-07Circuit électrique de block automatique avec un seul fil
ExpiredFR15877E
(fr)