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B61C7/00—Other locomotives or motor railcars characterised by the type of motive power plant used; Locomotives or motor railcars with two or more different kinds or types of motive power
B61C7/02—Locomotives or motor railcars with pneumatic accumulators
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FR707438D1930-11-071930-12-12
Device for controlling mine locomotives, etc. by means of compressed air
ExpiredFR707438A
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