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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
B61L5/06—Electric devices for operating points or scotch-blocks, e.g. using electromotive driving means
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Mechanical Engineering
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FR60994D1950-11-231950-11-23Dispositif de commande de mécanismes devant effectuer des courses alternées
ExpiredFR60994E
(fr)