1–5 of 5 hits
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    scaffold System

    Free access
    JANG YUN GUN | European Patent Office | 2021

      scaffold System

      Free access
      JANG YUN GUN | European Patent Office | 2020

    Freight Elevators For scaffolding

    Free access
    JANG YUN GUN | European Patent Office | 2019

    Brake device for legpipe of barge

    Free access
    JANG YUN YONG / CHA TAE HYUNG / OH HYEON SOO | European Patent Office | 2018

    Device for elevating and declining legpipes of barge

    Free access
    JANG YUN YONG / HWANG KEUM TAE / KIM JIN UK et al. | European Patent Office | 2017

    ELEVATING AND DESENDING DEVICE FOR A BARGE HAVING LEGPIPES EASILY LIFTED

    Free access
    JANG YUN YONG / HWANG KEUM TAE / KIM JIN UK et al. | European Patent Office | 2016