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Gouy & Lantier Ets
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Gouy & Lantier Ets
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Publication of FR26647EpublicationCriticalpatent/FR26647E/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
B61L5/20—Audible signals, e.g. detonator audible signalling
B61L5/22—Devices for initiating the release of detonators in a certain position of a signal
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Engineering & Computer Science
(AREA)
Mechanical Engineering
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FR26647D1922-07-061922-07-06Porte-pétards automatique pour signalisation sur voies ferrées
ExpiredFR26647E
(fr)