1–9 of 9 hits
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    Elevator running system with multiple cars distributed in each elevator shaft in linear array

    Free access
    LIN JIANJIU / WEN YANXIANG / QIN JUNYU et al. | European Patent Office | 2021

    Elevator operation system with multiple cars distributed in each elevator shaft in circumferential array mode

    Free access
    LIN JIANJIU / WEN YANXIANG / QIN JUNYU et al. | European Patent Office | 2021

    ELEVATOR OPERATION SYSTEM WITH SINGLE ELEVATOR SHAFT AND MULTIPLE CARS DISTRIBUTED IN CIRCUMFERENTIAL ARRAY

    Free access
    LIN JIANJIU / WEN YANXIANG / QIN JUNYU et al. | European Patent Office | 2023

    Sectionalized Mechanical Models of Drilling Tool of Trenchless Directional Drilling

    Xia, Hui / Dou, Yi-Hua / Wang, Xin-He et al. | Tema Archive | 2012

    Design and Fabrication of Vibration Measurement Device for Completion Tubing Strings in High Pressure Gas Well

    Zhang, Fu-Xiang / Ji, Xiao-Hong / Yang, Xiang-Tong et al. | Tema Archive | 2012

    Analysis of Strength Safety of Perforated String Considering Detonation Parameters

    Yang, Xiang-Tong / Zhang, Fu-Xiang / Li, Ming-Fei et al. | Tema Archive | 2013