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    Rail wagon having chassis unit, center beam unit, top frame unit and end walls

    Free access
    FU QIANGXIAO / ZHU SEN / LI DAN et al. | European Patent Office | 2022

    Special transport vehicle for both cars and containers

    Free access
    FU QIANGXIAO / ZHU SEN / ZHANG BO et al. | European Patent Office | 2015

    Grain hopper car

    Free access
    LIU HEMING / WANG TIANYOU / WANG YONGLE et al. | European Patent Office | 2021

    Foundation braking deviation prevention structure of railway wagon

    Free access
    XIAO YANMEI / ZHANG SHUWEI / WANG YINGCHUN et al. | European Patent Office | 2015