1–6 von 6 Ergebnissen
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    Wingspan type portable light-weight electric manned rail car

    Freier Zugriff
    SONG XUEQIAN / WANG SHOULING / FENG DONGGE et al. | Europäisches Patentamt | 2020

    Telescopic portable light-weight electric manned rail car

    Freier Zugriff
    SONG XUEQIAN / WANG SHOULING / FENG DONGGE et al. | Europäisches Patentamt | 2020

    Arched two-shaft telescopic rail car

    Freier Zugriff
    SONG XUEQIAN / WANG SHOULING / FENG DONGGE et al. | Europäisches Patentamt | 2020

    Portable track patrol cart

    Freier Zugriff
    SONG XUEQIAN / WANG SHOULING / FENG DONGGE et al. | Europäisches Patentamt | 2020

    Stay rope lifting safety maintenance ladder truck

    Freier Zugriff
    REN JIANJUN / SONG YIDA / CUI JUNJIE et al. | Europäisches Patentamt | 2022

    Portable rail manned inspection device

    Freier Zugriff
    SONG YIDA / WANG DONGLIN / ZHANG LI et al. | Europäisches Patentamt | 2021