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Zhengzhou Zhang

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  • Xi'an, CN
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Patents Grantslast 30 patents

  • Information Patent Grant

    Spring contact for conducting electricity
    • Patent number 8,529,303
    • Issue date Sep 10, 2013
    • Shaanxi Victory Electric Co., Ltd.
    • Zhengzhou Zhang
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...