1–5 of 5 hits
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    Foldable cart

    Free access
    LIU LIANG / FENG YI / LIU JIANHUA | European Patent Office | 2022

    Foldable child trailer

    Free access
    LU SIMING / LIU LIANG / LIU JIANHUA | European Patent Office | 2022

    Improved folding cart

    Free access
    LIU LIANG / LIU JIANHUA / CHEN PEISHI et al. | European Patent Office | 2021

    Improved folding frame of baby stroller

    Free access
    LIU JIANHUA / FENG YI / LIU LIANG et al. | European Patent Office | 2021

    Baby stroller easy to fold

    Free access
    LIU LIANG / LIU JIANHUA / YE CHUANMING et al. | European Patent Office | 2020