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SIRBEL
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SIRBEL
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Publication of FR820523ApublicationCriticalpatent/FR820523A/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
B61L5/12—Visible signals
B61L5/18—Light signals; Mechanisms associated therewith, e.g. blinders
B61L5/1809—Daylight signals
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Engineering & Computer Science
(AREA)
Mechanical Engineering
(AREA)
FR820523D1936-04-151937-04-12Perfectionnements aux lanternes de signalisation
ExpiredFR820523A
(fr)