1–4 von 4 Ergebnissen
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    Intelligent control system and method for unit support carrier

    Freier Zugriff
    LI GANG / SONG DEJUN / ZHAO HAIWEI et al. | Europäisches Patentamt | 2024

    Protection device of shaft expanding excavation construction operation platform

    Freier Zugriff
    CHEN QIANG / WANG QIANG / RAN DONGHU et al. | Europäisches Patentamt | 2023

    Adjustable multifunctional petroleum drilling machine moving guide rail

    Freier Zugriff
    ZHANG CHONGJUN / WANG QIAN / YUAN XIAOWEI et al. | Europäisches Patentamt | 2022

    Sea-to-sea directional drilling and crossing operation system and method

    Freier Zugriff
    LI SHUO / WANG QIANG / ZHU YANSHUN et al. | Europäisches Patentamt | 2021