1–12 of 12 hits
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    TRACTION BEAM FOR RAIL TRAIN, AND TRACTION DEVICE

    Free access
    CAO HONGYONG / YANG DONGXIAO / CAO QINGDA et al. | European Patent Office | 2024

    Railway vehicle bogie frame, bogie and railway vehicle

    Free access
    CAO QINGDA / LIANG HAIXIAO / ZHANG ZHENXIAN et al. | European Patent Office | 2023

    Dynamic performance on-line monitoring bogie and railway vehicle

    Free access
    LI YINGMING / ZHOU CHENG / LI GANG et al. | European Patent Office | 2023

    FRAMEWORK OF BOGIE AND BOGIE

    Free access
    CAO QINGDA / YANG WEIDONG / CAO HONGYONG et al. | European Patent Office | 2024

    Railway vehicle bogie frame, bogie and railway vehicle

    Free access
    CAO QINGDA / LIANG HAIXIAO / FENG YONGHUA et al. | European Patent Office | 2023

    FRAMEWORK OF BOGIE AND BOGIE

    Free access
    CAO QINGDA / YANG WEIDONG / CAO HONGYONG et al. | European Patent Office | 2022

    TRACTION BEAM FOR RAIL TRAIN, AND TRACTION DEVICE

    Free access
    CAO HONGYONG / YANG DONGXIAO / CAO QINGDA et al. | European Patent Office | 2022

    Railway vehicle bogie frame, bogie and railway vehicle

    Free access
    CAO QINGDA / LIANG HAIXIAO / ZHANG ZHENXIAN et al. | European Patent Office | 2023

    A two-stage heuristic algorithm for the school bus routing problem with mixed load plan

    Yao, Baozhen / Cao, Qingda / Wang, Zhe et al. | Taylor & Francis Verlag | 2016

    Unlocking mechanism for gauge-changeable wheel set, gauge-changeable wheel set and ground track changing facility

    Free access
    QIAO QINGFENG / CAO QINGDA / LI HENGKUI et al. | European Patent Office | 2020

    Thrust conversion mechanism, unlocking device, gauge-changeable wheel set and ground track-changing facility

    Free access
    GONG YANJUN / WEI JIAQI / CAO QINGDA et al. | European Patent Office | 2020

    A two-stage heuristic algorithm for the school bus routing problem with mixed load plan

    Yao, Baozhen | Online Contents | 2016
    Contributors: Cao, Qingda