TREA

Xiaofeng Yuan

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  • Shanghai, CN
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Patents Grantslast 30 patents

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    • Patent number D837746
    • Issue date Jan 8, 2019
    • LUCIS TECHNOLOGIES HOLDINGS LIMITED
    • Shan Guan
    • D13 - Equipment for production, distribution, or transformation of energy
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    • Patent number D822651
    • Issue date Jul 10, 2018
    • LUCIS TECHNOLOGIES HOLDINGS LIMITED
    • Steven Paul Gutteridge
    • D14 - Recording, communication, or information retrieval equipment