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Chong Yi Zhang

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  • Suzhou City, CN
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Patents Grantslast 30 patents

  • Information Patent Grant

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    • Patent number 7,441,760
    • Issue date Oct 28, 2008
    • Chevron Limited
    • Chong Yi Zhang
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...

Patents Applicationslast 30 patents

  • Information Patent Application

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    • Publication number 20080067315
    • Publication date Mar 20, 2008
    • Chervon Limited
    • Chong Yi Zhang
    • B25 - HAND TOOLS PORTABLE POWER-DRIVEN TOOLS MANIPULATORS