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  1.  

    Rotatable basketball stand for student sports

    LIU ZHIFEI | European Patent Office | 2018
  2.  

    Arc tooth bevel gear chamfering machine

    LIU ZHIFEI | European Patent Office | 2018
  3.  

    High-precision rotary working table

    LIU ZHIFEI | European Patent Office | 2018
  4.  

    Tooth aligning device for gear chamfering machine

    LIU ZHIFEI | European Patent Office | 2018
  5.  

    Gear chamfering machine

    LIU ZHIFEI | European Patent Office | 2017
  6.  

    Double-cutter-head gear chamfering machine

    LIU ZHIFEI | European Patent Office | 2018
  7.  

    Environment-friendly household garbage disposer

    LIU ZHIFEI | European Patent Office | 2016
  8.  

    Automatic zero setting system and zero setting assembly method for encoder

    JI SIXUAN / LIU ZHIFEI | European Patent Office | 2019
  9.  

    Strip mine dump greening method

    MENG XINGGUO / LIU ZHIFEI | European Patent Office | 2019
  10.  

    Gear end face profiling chamfering machining head

    LIU ZHIFEI / LIU YUAN | European Patent Office | 2017
  11.  

    A cable water removal treatment device

    LIU ZHIFEI / DUAN ZHIGANG | European Patent Office | 2018
  12.  

    Computer control selvage folding device

    LIU ZHIFEI / ZHAO YIMING | European Patent Office | 2017
  13.  

    Automatic border locking system for towels

    LIU ZHIFEI / ZHAO YIMING | European Patent Office | 2017
  14.  

    Multi-motor synchronous control system and method for multiaxial sewing equipment

    WANG JIANING / LIU ZHIFEI | European Patent Office | 2015

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