PATENT
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A Cold Drawing Method for High Carbon Chromium Bearing Steel Guide Rail Blank
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A port expanding device and its expanding method for steel production process
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A fixture and testing method for in-situ EBSD observation of material strain
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A straightening machine for metal parts processing - utility model patent certificate
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A Guiding Device for Metal Surface Defect Detection Instrument - Invention Patent Certificate
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Patent certificate for invention of low-carbon alloy steel spheroidization method
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A Utility Model Patent Certificate for Motor Transfer Device for Sandblasting Machine
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A practical model patent certificate for a material conveying device of a straightening machine
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Patent certificate for invention of cold drawing method for medium carbon steel bars
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A Guide Device for Grinding Axis Parts - Utility Model Patent Certificate
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