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US20170151968A1
(en)
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Method of Indicating a Railway Switch Status
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BE524322A
(GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
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BE524321A
(GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
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RU2320509C1
(ru)
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Способ контроля участков пути и устройство для его осуществления
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BE525570A
(GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
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BE509209A
(GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
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BE529013A
(GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
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BE529014A
(GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
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US515648A
(en)
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Automatic -electric railway signal system |
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US1041168A
(en)
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Automatic signaling mechanism.
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US2204346A
(en)
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Time recorder system
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RU2173275C2
(ru)
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Устройство защиты рельсовых цепей
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US529165A
(en)
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Johann heinrich frischen |
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CH286316A
(fr)
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Poste d'itinéraires à enclenchements électriques avec blocs de route pour la commande du trafic ferroviaire.
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US1879615A
(en)
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Railway traffic controlling apparatus
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US1738903A
(en)
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Railway signaling system
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US1846579A
(en)
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Railway signal with electrical disengaging relays
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US1154956A
(en)
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Electric train-control system.
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SU971696A1
(ru)
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Дешифратор дл импульсной рельсовой цепи
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US539396A
(en)
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Railway-signal |
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AT93498B
(de)
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Signalanlage, die durch die aufeinanderfolgende Befahrung von drei Schienenkontakten durch einen Zug betätigt wird.
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US1824207A
(en)
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Railway crossing signal control circuits
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US1106001A
(en)
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Telegraph-repeater.
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BE507793A
(GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
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CH263175A
(fr)
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Installation de signalisation et d'enclenchement pour la commande du trafic ferroviaire.
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