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CHARLES EUGENE GASTON DE VILLATTE D'OUTREMONT
Original Assignee
CHARLES EUGENE GASTON DE VILLATTE D'OUTREMONT
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Application filed by CHARLES EUGENE GASTON DE VILLATTE D'OUTREMONTfiledCriticalCHARLES EUGENE GASTON DE VILLATTE D'OUTREMONT
Application grantedgrantedCritical
Publication of FR405850ApublicationCriticalpatent/FR405850A/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
B61L5/14—Form signals, e.g. semaphore arms
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Engineering & Computer Science
(AREA)
Mechanical Engineering
(AREA)
FR405850D1909-08-091909-08-09Signal de sécurité pour lignes à voie unique
ExpiredFR405850A
(fr)