Patent classifications
B
PERFORMING OPERATIONS; TRANSPORTING
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B61
RAILWAYS
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B61J
SHIFTING OR SHUNTING OF RAIL VEHICLES
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3/00
Shunting or short-distance haulage devices; Similar devices for hauling trains on steep gradients or as starting aids; Car propelling devices therefor
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B61J3/12
Self-propelled tractors or pushing vehicles, e.g. mules
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