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Patents/Inventors

Zuzheng Dai

GuiLinCN1 patent

2 Patents

  • USD10670732025
    Test Pencil

    Guilin Huayi Peakmeter Co. Ltd.

    0 cites
  • USD10194372024
    Multimeter

    GUILIN HUAYI PEAKMETER CO., Ltd.

    0 cites