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JOHN SAXBY Ltd SOC
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JOHN SAXBY Ltd SOC
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Publication of FR716214ApublicationCriticalpatent/FR716214A/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
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Engineering & Computer Science
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Mechanical Engineering
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FR716214D1931-04-281931-04-28Perfectionnements aux appareils de manoeuvre d'aiguilles talonnables
ExpiredFR716214A
(fr)