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Successeurs de B Trayvou SA
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Successeurs de B Trayvou SA
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Publication of FR623062ApublicationCriticalpatent/FR623062A/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
B61L5/10—Locking mechanisms for points; Means for indicating the setting of points
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Engineering & Computer Science
(AREA)
Mechanical Engineering
(AREA)
FR623062D1926-09-101926-09-10Verrou assurant la manoeuvre et le verrouillage des aiguilles des appareils de voie
ExpiredFR623062A
(fr)