1–5 von 5 Ergebnissen
|

    Rotatable drill floor and drilling ship structure

    Freier Zugriff
    ZHANG PENGFEI / TANG XUDONG / JING HAIDONG et al. | Europäisches Patentamt | 2023

    Multifunctional ocean drilling ship form

    Freier Zugriff
    ZHANG HAIBIN / HE JINHUI / ZHAO JIANTING et al. | Europäisches Patentamt | 2023

    Fuzzy Ball Drilling Fluids for CBM in the Ordos Basin of China

    Li, Zuo-Chen / Zhang, Zhi-Heng / Zhan, Liang et al. | Tema Archiv | 2012

    Expansion Slurry System Research

    Fan, Zhen-Zhong / Zhang, Li-Feng / Liu, Qing-Wang et al. | Tema Archiv | 2013

    Shaft tunnel portal detection auxiliary device

    Freier Zugriff
    TANG DINGDING / LU ZHONGXING / GUO ERWEI et al. | Europäisches Patentamt | 2023