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    Device for split transportation of large drilling machine

    Freier Zugriff
    CHEN FENGGANG / ZHU JINCHUN / WANG CHAOWEN et al. | Europäisches Patentamt | 2021

    Extra-heavy type drilling machine disassembling and transporting method

    Freier Zugriff
    CHEN FENGGANG / LI BIN / WANG CHAOWEN et al. | Europäisches Patentamt | 2020

    EQUIPMENT AND APPLICATION METHOD FOR SINKAGE DETECTION AND ACTIVE ESCAPE OF DEEP-SEA MINING VEHICLE

    Freier Zugriff
    SHA FEI / XI MINGSHUAI / CHEN XUGUANG et al. | Europäisches Patentamt | 2023

    Intelligent traffic light system suitable for underground transportation

    Freier Zugriff
    ZHAO WENJIAN / GAO MINGHUA / LU SHIPING et al. | Europäisches Patentamt | 2015

    Trackless side wall type operation ladder trolley suitable for tunnel

    Freier Zugriff
    HE KANGPING / BAO SHANGYU / YIN SHENGLONG et al. | Europäisches Patentamt | 2024

    Lifesaving device for tunnel construction

    Freier Zugriff
    YU LONGWEN / XIE GAOYING / LIU YANLONG et al. | Europäisches Patentamt | 2021

    Tunnel sleeve construction method

    Freier Zugriff
    XIANG YANBIAO / CHEN FENG / YANG ZHAO et al. | Europäisches Patentamt | 2022