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Publication of FR625454ApublicationCriticalpatent/FR625454A/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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FR625454D1926-11-021926-11-02Dispositif de réglage et de contrôle permanent des commutateurs rotatifs pour la signalisation des chemins de fer
ExpiredFR625454A
(fr)