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    Anti-frost heating system in Rubber-tire AGT

    Free access
    KWON SAM YOUNG / LEE KI WON / PARK CHUL MIN | European Patent Office | 2021

    MULTIPLE-STAGE CONTACT WIRE STRAIGHTENING EQUIPMENT FOR A TROLLEY LINE

    Free access
    LEE KI WON / CHO YONG HYEON / KWON SAM YOUNG et al. | European Patent Office | 2016

    TENSION MEASUREMENT DEVICE AND METHOD

    Free access
    CHO YONG HYEON / PARK YOUNG / LEE KI WON et al. | European Patent Office | 2015

    Autonomous driving railway drone for mobilization to the scene of the fire

    Free access
    KWON SAM YOUNG / CHO YONG HYEON / LEE KI WON et al. | European Patent Office | 2017

    MEASURING APPARATUS AND METHOD OF ELECTRIC CAR LINE

    Free access
    CHO YONG HYEON / LEE KI WON / PARK CHUL MIN et al. | European Patent Office | 2017

    METHOD AND APPARATUS FOR DETECTING VIBRATION OF PANTOGRAPH IN ELECTRICAL RAILWAY

    Free access
    PARK YOUNG / LEE KI WON / CHO YONG HYEON et al. | European Patent Office | 2017

    A METHOD OF ROBUST TO THE BRIGHTNESS CHANGE FOR DETECTING A DYNAMIC DECLINATION OF CATENARY

    Free access
    PARK YOUNG / CHO YONG HYEON / KWON SAM YOUNG et al. | European Patent Office | 2016

    APPARATUS AND METHOD FOR REDUCING THERMAL STRESS

    Free access
    CHO YONG HYEON / PARK CHUL MIN / LEE KI WON et al. | European Patent Office | 2017

    SYSTEM FOR CALCULATING RATIO OF POWER COLLECTION BETWEEN ELECTRIC RAILWAY VEHICLE AND CATENARY USING MEASURING OF POINT OF INFLECTION

    Free access
    PARK YOUNG / CHO YONG HYEON / LEE KI WON et al. | European Patent Office | 2015

    Track measuring operation simulator including rotary rail mimic structure

    Free access
    KWON SAM YOUNG / CHO YONG HYEON / LEE KI WON et al. | European Patent Office | 2017