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Publication of FR13742EpublicationCriticalpatent/FR13742E/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
B61L23/10—Control, warning or like safety means along the route or between vehicles or trains for controlling traffic in one direction only manually operated, e.g. block arrangements
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Engineering & Computer Science
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Mechanical Engineering
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FR13742D1908-02-071911-01-07Dispositif pour la commande magnétique des appareils sémaphoriques genre lartigues
ExpiredFR13742E
(fr)