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    Inspection method using track circuit safety check device

    Free access
    KIM JONG CHAN / KIM HYUN TAE | European Patent Office | 2020

      Inspection method using track circuit safety check device

      Free access
      KIM JONG CHAN / KIM HYUN TAE | European Patent Office | 2019

    MONITORING METHOD FOR UNBALANCES OF TRACK CIRCUIT

    Free access
    KIM JONG CHAN / KIM HYUN TAE | European Patent Office | 2020

      MONITORING METHOD FOR UNBALANCES OF TRACK CIRCUIT

      Free access
      KIM JONG CHAN / KIM HYUN TAE | European Patent Office | 2019

    MONITORING APPARATUS FOR UNBALANCES OF TRACK CIRCUIT

    Free access
    KIM JONG CHAN / KIM HYUN TAE | European Patent Office | 2019

      MONITORING APPARATUS FOR UNBALANCES OF TRACK CIRCUIT

      Free access
      KIM JONG CHAN / KIM HYUN TAE | European Patent Office | 2020