1–5 of 5 hits
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    Highway conversion supporting facility

    Free access
    LI XIN / XU WEI / GUO QI et al. | European Patent Office | 2022

    Carriage with simple bed

    Free access
    LI XIN / E PENGKUN / XU WEI et al. | European Patent Office | 2021

    Automatic garbage room

    Free access
    LI XIN / E PENGKUN / XU WEI et al. | European Patent Office | 2021

    Safety construction elevator

    Free access
    LI XIN / E PENGKUN / XU WEI et al. | European Patent Office | 2021

    Labor-saving tool

    Free access
    LI XIN / E PENGKUN / XU WEI et al. | European Patent Office | 2021