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CONTINENTAL HALL SIGNAL COMPAN
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CONTINENTAL HALL SIGNAL COMPAN
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Application filed by CONTINENTAL HALL SIGNAL COMPANfiledCriticalCONTINENTAL HALL SIGNAL COMPAN
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Publication of FR2071EpublicationCriticalpatent/FR2071E/fr
B61L—GUIDING RAILWAY TRAFFIC; ENSURING THE SAFETY OF RAILWAY TRAFFIC
B61L19/00—Arrangements for interlocking between points and signals by means of a single interlocking device, e.g. central control
B61L19/06—Interlocking devices having electrical operation
B61L19/14—Interlocking devices having electrical operation with electrical locks
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Engineering & Computer Science
(AREA)
Mechanical Engineering
(AREA)
FR2071D1901-07-061903-07-27Perfectionnements dans les appareils d'aiguillage de voies de chemins de fer et les appareils d'enclenchement de signaux
ExpiredFR2071E
(fr)