1–7 of 7 hits
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    Electric vehicle frame

    Free access
    ZHANG QIUHONG | European Patent Office | 2024

    Frame assembly with adjustable rear seat

    Free access
    ZHANG QIUHONG | European Patent Office | 2024

    Motor train unit traction system and energy control method

    Free access
    ZHANG QIUHONG / YANG WENZHAO / HE ZHAI et al. | European Patent Office | 2016

    Road section traffic jam identification method, apparatus and device, and readable storage medium

    Free access
    ZHAO BINGXIN / LI QICHEN / WANG ERDONG et al. | European Patent Office | 2023