1–6 von 6 Ergebnissen
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    Novel multifunctional in-hole steel pipe transportation trolley system

    Freier Zugriff
    YANG FENG / FANG XUGUANG / YING HUINENG | Europäisches Patentamt | 2023

    Hydraulic support pushing jack for half-cutting coal mining technology

    Freier Zugriff
    WANG YONGQIANG / LIU FUYING / HUANG YING et al. | Europäisches Patentamt | 2023

    Hydraulic support pushing jack for half-well cutting coal-mining process

    Freier Zugriff
    WANG YONGQIANG / LIU FUYING / HUANG YING et al. | Europäisches Patentamt | 2021

    Tunnel abnormal state monitoring method and system based on unmanned aerial vehicle

    Freier Zugriff
    WEI YING / WANG YONGAN / WANG YUNNAN et al. | Europäisches Patentamt | 2023

    Walking device and coal mining machine

    Freier Zugriff
    ZHANG WENQI / GAO JUNGUANG / TENG LIANG et al. | Europäisches Patentamt | 2024

    Double-divided-circle shield station structure

    Freier Zugriff
    TIAN TAO / LIU XUEJUN / SHEN XUEJUN et al. | Europäisches Patentamt | 2023