Utility model patent
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Patent certificate for utility model of feeding device for cold drawn steel rolling head
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Patent certificate for utility model of automatic feeding device for chain cold drawing machine
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A utility model patent certificate for a feeding device of a through type straight shot blasting machine
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A utility model patent certificate for a joint drawing machine roller pushing and clamping device
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A Steerable Feeding Device for Drawing Machines - Utility Model Patent Certificate
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A Adjustable Angle Drawing Machine Feed Rack - Utility Model Patent Certificate
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A Drawing Machine Feed Device - Utility Model Patent Certificate
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A utility model patent certificate for a feeding frame of a rolling head machine
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A Double Chain Cold Drawing Machine - Utility Model Patent Certificate
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A utility model patent for a hyperbolic straightening machine feeding barrel silencing device
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