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Hao Hua

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  • Shanghai, CN
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Patents Grantslast 30 patents

  • Information Patent Grant

    Air purifier
    • Patent number D852344
    • Issue date Jun 25, 2019
    • Koninklijke Philips N.V.
    • Hao Hua
    • D23 - Environmental heating and cooling

Patents Applicationslast 30 patents