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"Invention Patent Certificate - Wet Grinding of Thread Fibers" has obtained patent rights

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"Invention Patent Certificate - Wet Grinding of Thread Fibers" has obtained patent rights

Previous : "The invention of the carpet static electricity calibration system" has entered the stage of patent application acceptance.
Next : The electrostatic attenuation pressure head (invention) has entered the patent application acceptance stage.
Previous : "The invention of the carpet static electricity calibration system" has entered the stage of patent application acceptance.
Next : The electrostatic attenuation pressure head (invention) has entered the patent application acceptance stage.

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