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CN103547501B
(zh)
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列车运行控制系统
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CN113002592B
(zh)
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一种列车进路接近锁闭逻辑的通用处理方法
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BE509209A
(enrdf_load_stackoverflow)
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US2600729A
(en)
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Endless chain of counting relays
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US2964617A
(en)
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Railway car counting system
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BE509368A
(enrdf_load_stackoverflow)
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BE524322A
(enrdf_load_stackoverflow)
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US2122229A
(en)
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Train describer system
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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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BE507052A
(enrdf_load_stackoverflow)
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US1383756A
(en)
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Automatic switching apparatus for telephone-exchange systems
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BE507882A
(enrdf_load_stackoverflow)
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BE529013A
(enrdf_load_stackoverflow)
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BE529014A
(enrdf_load_stackoverflow)
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US1135011A
(en)
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Telephone system and apparatus.
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BE461637A
(enrdf_load_stackoverflow)
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US938039A
(en)
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Apparatus and system for measuring telephone service.
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US681780A
(en)
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Signal for electric railroads.
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US1718449A
(en)
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Automatic telephone system
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SU289010A1
(ru)
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УСТРОЙСТВО дл АВТОМАТИЧЕСКОГО УЧЕТА
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BE546183A
(enrdf_load_stackoverflow)
|
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US1134933A
(en)
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Telephone switching apparatus.
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BE383895A
(enrdf_load_stackoverflow)
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US852633A
(en)
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Train-stopping apparatus.
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SU91592A1
(ru)
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Устройство дл автоматической переездной сигнализации
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