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Application filed by Georg KammfiledCriticalGeorg Kamm
Publication of CH129768ApublicationCriticalpatent/CH129768A/de
B61J3/00—Shunting or short-distance haulage devices; Similar devices for hauling trains on steep gradients or as starting aids; Car propelling devices therefor
B61J3/12—Self-propelled tractors or pushing vehicles, e.g. mules