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B61C9/00—Locomotives or motor railcars characterised by the type of transmission system used; Transmission systems specially adapted for locomotives or motor railcars
B61C9/38—Transmission systems in or for locomotives or motor railcars with electric motor propulsion
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FR520061A1917-02-271920-07-09Dispositif de commande électrique pour véhicule
ExpiredFR520061A
(fr)