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QINGJUN LIU

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Patents Applicationslast 30 patents

  • Information Patent Application

    KINETIC SCULPTURE AND INTELLIGENT CONTROL SYSTEM
    • Publication number 20230078559
    • Publication date Mar 16, 2023
    • ZHEJIANG DAFENG INDUSTRY CO., LTD.
    • Huafeng YAN
    • A63 - SPORTS GAMES AMUSEMENTS
  • Information Patent Application

    COMPONENT OF KINETIC SCULPTURE
    • Publication number 20220375372
    • Publication date Nov 24, 2022
    • ZHEJIANG DAFENG INDUSTRY CO., LTD.
    • QIYUN FENG
    • G09 - EDUCATION CRYPTOGRAPHY DISPLAY ADVERTISING SEALS