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Qinghai ZHAO

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  • Shandong, CN
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Patents Grantslast 30 patents

Patents Applicationslast 30 patents

  • Information Patent Application

    LIQUID SUPPLYING SYSTEM AND METHOD FOR DRIVING SAME
    • Publication number 20180364085
    • Publication date Dec 20, 2018
    • SARAYA CO., LTD.
    • Haijun ZHANG
    • A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
  • Information Patent Application

    LIQUID SUPPLYING SYSTEM
    • Publication number 20180353634
    • Publication date Dec 13, 2018
    • SARAYA CO., LTD.
    • Haijun ZHANG
    • A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE