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    Forklift structure

    Free access
    ZHENG YOUWEI / CAO JUN / XI DEBAO et al. | European Patent Office | 2015

    Forklift structure moving in four directions

    Free access
    ZHENG YOUWEI / CAO JUN / XI DEBAO et al. | European Patent Office | 2015

    Four-directional forklift structure

    Free access
    ZHENG YOUWEI / CAO JUN / XI DEBAO et al. | European Patent Office | 2015

    Method for lifting four-direction forklift by using lifting device

    Free access
    ZHENG YOUWEI / CAO JUN / XI DEBAO et al. | European Patent Office | 2016

    Elevating mechanism for forklift

    Free access
    ZHENG YOUWEI / CAO JUN / XI DEBAO et al. | European Patent Office | 2016

    Plastic pipe production cutting device

    Free access
    LIU CHUNHUA / ZHENG YOUWEI / XU RONGXIANG | European Patent Office | 2021