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    Sand mold transfer device and transfer method

    Free access
    ZHANG BANBEN / FENG CHAO / HE TIANSHUN | European Patent Office | 2021

    DEVICE AND METHOD FOR REMOVING BULK HARD MATTER IN GAP BETWEEN TIRES OF AGRICULTURAL TRACTOR

    Free access
    ZHANG BANBEN / LIU AIMING / WANG CHENG | European Patent Office | 2024

    Device and method for removing large hard objects in tire gaps of agricultural tractor

    Free access
    ZHANG BANBEN / LIU AIMIN / WANG CHENG | European Patent Office | 2022

    Walking mechanism and walking method for seed fertilizer seeder

    Free access
    FENG ZHEN / ZHANG BANBEN / FANG XIUMING et al. | European Patent Office | 2023

    Forklift steering axle and manufacturing method thereof

    Free access
    ZHANG BANBEN / FENG CHAO / HE TIANSHUN et al. | European Patent Office | 2022

    Automobile drive axle housing and casting process thereof

    Free access
    ZHANG BANBEN / LAN CHUNPING / WANG CHENG et al. | European Patent Office | 2020

    Forklift drive axle housing and casting process thereof

    Free access
    ZHANG BANBEN / LAN CHUNPING / TIAN HUAWEI et al. | European Patent Office | 2022