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    METHODS AND DEVICES FOR VERIFYING AND BROADCASTING EVENTS

    Free access
    XU HUI | European Patent Office | 2021

      Methods and devices for verifying and broadcasting events

      Free access
      XU HUI | European Patent Office | 2022

    Pressure reducing valve

    Free access
    XU HUI | European Patent Office | 2023

      Pressure reducing valve

      Free access
      XU HUI | European Patent Office | 2023

    Electronic hydraulic brake system and electronic hydraulic brake method

    Free access
    XU HUI | European Patent Office | 2023

      Electronic hydraulic brake system and electronic hydraulic brake method

      Free access
      XU HUI | European Patent Office | 2023

    Elevator with double traction machines

    Free access
    XU HUI | European Patent Office | 2021

    Energy-saving type new energy vehicle windscreen wiper driving structure

    Free access
    XU HUI | European Patent Office | 2021

    Manhole cover opening and closing device for municipal drainage system

    Free access
    XU HUI | European Patent Office | 2021

    Car counterweight with weight capable of being adjusted in stepless mode

    Free access
    XU HUI | European Patent Office | 2021

    Dewatering anti-dazzling rearview mirror based on piezoelectric property

    Free access
    XU HUI | European Patent Office | 2021

    Material transportation device for construction site

    Free access
    XU HUI | European Patent Office | 2021