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Tank car body and tank car underframe connecting device and railway tank car
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Start control device and excavator
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Tank and tank truck
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Transfer platform
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Side bearing, bogie and vehicle
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Angle cock and railway vehicle
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Car roof and ore car with car roof
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Rail collection guidance and rail pushing trolley and long steel rail transport train set
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Rail connecting device and long steel rail transport trainset
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Rail stirring clamp and rail collecting guiding and rail stirring trolley of long steel rail transportation vehicle set
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Approach rail clamp, rail withdrawal guiding and levering bogie and long-rail transport bogie unit
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Rail poking device and steel rail carrier vehicle
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Carling bearing structure and centre sill assembly
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Movable head cover and cement hopper car
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Track lining device and operational tail car
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Flatcar chassis and manufacturing method thereof
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Dock door and storage tank
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Steel rail fixture
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Rail shifter and long rail carrier vehicle
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Steel rail locking device and long steel rail locking vehicle
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