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GIOVANNI SERVETTAZ
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GIOVANNI SERVETTAZ
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Application filed by GIOVANNI SERVETTAZfiledCriticalGIOVANNI SERVETTAZ
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Publication of FR427160ApublicationCriticalpatent/FR427160A/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
B61L5/04—Fluid-pressure devices for operating points or scotch-blocks
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Engineering & Computer Science
(AREA)
Mechanical Engineering
(AREA)
FR427160D1910-04-291911-03-11Appareil de manoeuvre des aiguilles de chemins de fer
ExpiredFR427160A
(fr)