TREA

Zhaoyuan Li

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  • Kowloon Bay, HK
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Patents Grantslast 30 patents

  • Information Patent Grant

    Twinkle light bulb apparatus
    • Patent number 7,819,575
    • Issue date Oct 26, 2010
    • Cindex Holdings Limited
    • Zhaoyuan Li
    • F21 - LIGHTING

Patents Applicationslast 30 patents