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person:(Kai, Liang)

    Emergency supporting and guiding device for superconducting electric magnetic suspension and maglev train

    Free access
    WU ZHENXIAO / MAO KAI / LIU DEGANG et al. | European Patent Office | 2022

    Vacuum pipeline train with pressure relief fire extinguishing systems

    Free access
    MAO KAI / LIU DEGANG / LI SHAOWEI et al. | European Patent Office | 2021

    Vacuum pipeline train body structure with double-layer pressure-resistant passenger compartment

    Free access
    MAO KAI / LIU DEGANG / ZHAO MING et al. | European Patent Office | 2021

      Vacuum pipeline train body structure with double-layer pressure-resistant passenger compartment

      Free access
      MAO KAI / LIU DEGANG / ZHAO MING et al. | European Patent Office | 2021