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Pingsheng Yao

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  • Xiamen, CN
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Patents Grantslast 30 patents

  • Information Patent Grant

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    • Patent number 7,882,578
    • Issue date Feb 8, 2011
    • Xiamen Lota International Co., Ltd.
    • Keping Li
    • E03 - WATER SUPPLY SEWERAGE

Patents Applicationslast 30 patents

  • Information Patent Application

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    • Publication number 20060273278
    • Publication date Dec 7, 2006
    • Keping Li
    • E03 - WATER SUPPLY SEWERAGE