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Cooling system
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Silicon steel sheet's compression fittings
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Pipeline welding tool for box body
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Angle manually adjustable rearview mirror device for rolling stock
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Driving motor of brake cooling device fan for ground vehicle in alpine mining area
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Cooling fan with outer rotor carbon fiber centrifugal impeller
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Three-axis acceleration sensor based on CAN bus and rail vehicle
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Automatic drain valve with fault detection function
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Cooling device
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Electric door
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