1–4 of 4 hits
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    Tower crane and balance control method and balance control system thereof

    Free access
    XU HUI / GUAN JINJUN | European Patent Office | 2022

    Tower crane driving device with built-in speed reducer

    Free access
    CHEN FUQIANG / FU LING / ZHANG ZONGHAI et al. | European Patent Office | 2022

    Leveling support oil cylinder mechanism, leveling support oil cylinder hydraulic unit and engineering machinery

    Free access
    YU LEKANG / WEI SUFEN / XU HUI et al. | European Patent Office | 2023

      Leveling support oil cylinder mechanism, leveling support oil cylinder hydraulic unit and engineering machinery

      Free access
      YU LEKANG / ZHANG YUZHU / WANG CHANGLEI et al. | European Patent Office | 2023