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Hechuang Duan

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  • Shenzhen, CN
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Patents Grantslast 30 patents

  • Information Patent Grant

    NTC/PTC heating pad
    • Patent number 8,383,992
    • Issue date Feb 26, 2013
    • Kaz USA, Inc.
    • Zhijing Wang
    • H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR

Patents Applicationslast 30 patents

  • Information Patent Application

    NTC/PTC HEATING PAD
    • Publication number 20110259872
    • Publication date Oct 27, 2011
    • Zhijing Wang
    • H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR