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Na Yan

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  • Xi'an, CN
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Patents Grantslast 30 patents

  • Information Patent Grant

    Air conditioner
    • Patent number 8,650,898
    • Issue date Feb 18, 2014
    • Emerson Network Power Co., Ltd.
    • Yansong Ma
    • F25 - REFRIGERATION OR COOLING COMBINED HEATING AND REFRIGERATION SYSTEMS HEA...

Patents Applicationslast 30 patents

  • Information Patent Application

    AIR CONDITIONER
    • Publication number 20130000344
    • Publication date Jan 3, 2013
    • EMERSON NETWORK POWER CO., LTD.
    • Yansong Ma
    • F25 - REFRIGERATION OR COOLING COMBINED HEATING AND REFRIGERATION SYSTEMS HEA...