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Publication of FR30879EpublicationCriticalpatent/FR30879E/fr
B61L—GUIDING RAILWAY TRAFFIC; ENSURING THE SAFETY OF RAILWAY TRAFFIC
B61L5/00—Local operating mechanisms for points or track-mounted scotch-blocks; Visible or audible signals; Local operating mechanisms for visible or audible signals
B61L5/10—Locking mechanisms for points; Means for indicating the setting of points
B61L5/107—Locking mechanisms for points; Means for indicating the setting of points electrical control of points position
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Engineering & Computer Science
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FR30879D1925-08-051925-08-05Commutateur de contrôle d'aiguille de chemin de fer
ExpiredFR30879E
(fr)