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    A Multifunctional Drilling Fluid for Coalbed Methane Drilling

    Zheng, Li-Hui / Zhang, Ming-Wei / Lin, Yong | Tema Archiv | 2012

    Comparison of Water-Lifting Aerator Type for Algae Inhibition in Deep Reservoirs

    Sun, Xin / Zhang, Meng-Dan / Zhao, Wei-Li et al. | Tema Archiv | 2013

    Crawler-type non-repeated-supporting single-span support carrier

    Freier Zugriff
    CHENG YUJUN / WANG QINGXIANG / XIE LONG et al. | Europäisches Patentamt | 2020

    DRILLING RIG MAST LIFT SYSTEMS AND METHODS

    Freier Zugriff
    DONNALLY ROBERT BENJAMIN / REN CHUNQIAO / LIU XI LIN et al. | Europäisches Patentamt | 2015

    Finite Element Analysis of Utility Pipe Tunnel Affected by Adjacent Deep Excavation

    Qiu, Wei-Min / Zhang, Hai-Lin / Wang, Gang | Tema Archiv | 2011

    Flow mechanism investigation and field practice for low concentration flowing gel

    Hah, Dong / Yang, Puhua / Luo, Youshong et al. | Tema Archiv | 1998

    Quick mounting and dismounting carrying device for tunnel health information acquisition

    Freier Zugriff
    WANG BAIQUAN / WANG HUA / FENG GUOFENG et al. | Europäisches Patentamt | 2023

    Safe construction method for rail transportation of inclined shaft

    Freier Zugriff
    SU CHUNSHENG / LIN JINNAI / WEI SHOUFENG et al. | Europäisches Patentamt | 2022

    The Research Progress of Automatic Drilling Technology

    Lin, Wei / Yu, Ping / Zhang, Chun-Peng et al. | Tema Archiv | 2012