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Ching-Piao Wong

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  • Yonghe City, TW
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Patents Grantslast 30 patents

  • Information Patent Grant

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    • Patent number 7,976,772
    • Issue date Jul 12, 2011
    • Ching-Piao Wong
    • C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...

Patents Applicationslast 30 patents

  • Information Patent Application

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    • Publication number 20090295049
    • Publication date Dec 3, 2009
    • Ching-Piao Wong
    • C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...