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EMILE-PIERRE-ANTOINE ABRIC
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EMILE-PIERRE-ANTOINE ABRIC
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Application filed by EMILE-PIERRE-ANTOINE ABRICfiledCriticalEMILE-PIERRE-ANTOINE ABRIC
Application grantedgrantedCritical
Publication of FR483101ApublicationCriticalpatent/FR483101A/fr
B61L—GUIDING RAILWAY TRAFFIC; ENSURING THE SAFETY OF RAILWAY TRAFFIC
B61L13/00—Operation of signals from the vehicle or by the passage of the vehicle
B61L13/04—Operation of signals from the vehicle or by the passage of the vehicle using electrical or magnetic interaction between vehicle and track, e.g. by conductor circuits using special means or special conductors
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Engineering & Computer Science
(AREA)
Mechanical Engineering
(AREA)
FR483101D1916-10-071916-10-07Système de couverture automatique des trains circulant sur les voies ferrées
ExpiredFR483101A
(fr)