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Method for improving and assembling locomotive coupler slave plate seat
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Fire-fighting, water-spraying dust-removing device
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Sleeper correcting device for curve operation of line overhaul train
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A railway ballast backfill device for railway ballast screen scarifier
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Railway switch tamping car
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Pickaxe nest backfilling device
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Ballast excavating device and turnout screen scarifier
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Railway power generation tractor
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Power system device and rail vehicle
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Axle gear box with retarder for rolling stock
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Rail-mounted telex walking system
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Hoisting device for railway vehicle internal installation
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Manual remote operation cuts off oil tank oil source device
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System and method for synchronously controlling hoisting of double cranes of switch large part reloading vehicle
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Automatic reset control system of tamping operation mechanism
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A kind of mobile rail-welding vehicle for railway
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Cyclone centrifugal dust collector for steel rail grinding wagon
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Elastic traction rod device for steel rail polishing trolley
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A kind of railway is special with vehicle both arms crane
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A kind of eight pick of railway track makes curing means firm by ramming
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