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    Quick-Release Device for Bicycle

    Free access
    LIU YU-CHEN | European Patent Office | 2020

    Quick-Release Structure

    Free access
    LIU YU-CHEN | European Patent Office | 2023

      Quick-release structure

      Free access
      LIU YU-CHEN | European Patent Office | 2018

    VEHICLE STRUCTURE MATERIAL STRENGTHENING SYSTEM AND VEHICLE CONTAINING SAME

    Free access
    LIN SHIH-KANG / LIU YU-CHEN / CHEN YU-CHING et al. | European Patent Office | 2022

      Vehicle structure material strengthening system and vehicle containing same

      Free access
      LIN SHIH-KANG / LIU YU-CHEN / CHEN YU-CHING et al. | European Patent Office | 2023

      VEHICLE STRUCTURE MATERIAL STRENGTHENING SYSTEM AND VEHICLE CONTAINING SAME

      Free access
      LIN SHIH-KANG / LIU YU-CHEN / CHEN YU-CHING et al. | European Patent Office | 2022