1–5 von 5 Ergebnissen
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    Danger-avoiding vehicle hole device suitable for interior of tunnel and braking method

    Freier Zugriff
    LI LIANGPU / SHAO LIN / YUAN SONG | Europäisches Patentamt | 2020

    Shield tunneling machine cutterhead, cutter changing method and shield tunneling machine

    Freier Zugriff
    LI ZIFAN / HUANG SHIGUANG / DAI SHUNYI et al. | Europäisches Patentamt | 2023

    Tunnel spraying device, operation vehicle and spraying method

    Freier Zugriff
    ZENG LIN / JEON KYUNG-HO / ZHANG XINSHENG et al. | Europäisches Patentamt | 2023

    Pit digging and pole erecting integrated vehicle for telegraph poles

    Freier Zugriff
    LI GUOLIANG / WANG KUN / LIN YUQING et al. | Europäisches Patentamt | 2023

    Lifting device for mine supporting operation

    Freier Zugriff
    ZHANG BINGLIN / ZHAO BAOYOU / ZHAO HONGXING et al. | Europäisches Patentamt | 2021