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Publication of FR573733ApublicationCriticalpatent/FR573733A/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
B61L5/02—Mechanical devices for operating points or scotch-blocks, e.g. local manual control
B61L5/026—Mechanical devices for operating points or scotch-blocks, e.g. local manual control fixing switch-rails to the driving means
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FR573733D1923-11-231923-11-23Perfectionnements aux aiguilles de voies ferrées
ExpiredFR573733A
(fr)