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A deburring device for axial teeth
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A new energy vehicle spiral water cooling integrated motor housing device patent - fast compression
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A torsion testing device for welding products
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A fixing device for drilling E6 shaft core
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Utility model patent certificate automobile spindle gear shaper tooling
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Utility model patent certificate automobile spindle quenching tooling
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Utility model patent certificate - clamp for milling end face of pressurized groove of moving die sleeve
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Patent certificate of utility model
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Utility model patent certificate - milling fixture for pressurizing groove of moving die sleeve and holes on cylindrical surface