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+person:(Guo, jixiang)

    Axle box spring, axle box spring preparation device, axle box spring preparation method and rail vehicle

    Free access
    GUO JIXIANG / LI HUI / LI LI et al. | European Patent Office | 2022

    BOGIE

    Free access
    GUO JIXIANG / ZHANG XIAOJUN / LI DEHUA et al. | European Patent Office | 2020

      BOGIE

      Free access
      GUO JIXIANG / ZHANG XIAOJUN / LI DEHUA et al. | European Patent Office | 2022