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BE546183A
(GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
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US2368874A
(en)
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Registering and counting apparatus
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US2964617A
(en)
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Railway car counting system
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US2081035A
(en)
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Signaling or indicating apparatus
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US2793287A
(en)
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Automatic switch control system for classification yards
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BE507882A
(GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
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US2215892A
(en)
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Annunciating apparatus
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BE509209A
(GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
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BE371994A
(GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
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US2478482A
(en)
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Electronic timing device
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US3032161A
(en)
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Crediting apparatus for automatic coinresponsive machines
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BE461637A
(GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
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SU218205A1
(ru)
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УСТРОЙСТВО дл КОРРЕКТИРОВКИ ПРОЦЕССА
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US1168170A
(en)
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Station-indicator.
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BE383895A
(GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
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Mukherjee
|
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An Electronic Programme Switching Unit |
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BE506589A
(GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
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US1383756A
(en)
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Automatic switching apparatus for telephone-exchange systems
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BE662718A
(GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
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BE559140A
(GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
|
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GB428688A
(en)
|
|
Improvements in electrical signalling systems
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BE433987A
(GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
|
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CH264806A
(fr)
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Installation de commande et de signalisation du trafic ferroviaire sur voies banalisées.
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BE504629A
(GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
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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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