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GEORGE MARTIN SEELEY
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GEORGE MARTIN SEELEY
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Application filed by GEORGE MARTIN SEELEYfiledCriticalGEORGE MARTIN SEELEY
Application grantedgrantedCritical
Publication of FR359482ApublicationCriticalpatent/FR359482A/fr
B61L—GUIDING RAILWAY TRAFFIC; ENSURING THE SAFETY OF RAILWAY TRAFFIC
B61L23/00—Control, warning or like safety means along the route or between vehicles or trains
B61L23/08—Control, warning or like safety means along the route or between vehicles or trains for controlling traffic in one direction only
B61L23/12—Control, warning or like safety means along the route or between vehicles or trains for controlling traffic in one direction only partly operated by train
Landscapes
Engineering & Computer Science
(AREA)
Mechanical Engineering
(AREA)
FR359482D1905-11-161905-11-16Système de signaux pour chemins de fer, etc.
ExpiredFR359482A
(fr)