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    ROBOT CLEANER

    Free access
    HAN SEUNGIL / KO YOUNGHO / KIM SINAE et al. | European Patent Office | 2022

      ROBOT CLEANER

      Free access
      HAN SEUNGIL / KO YOUNGHO / KIM SINAE et al. | European Patent Office | 2023

    ROLLER ASSEMBLY AND VACUUM CLEANER COMPRISING SAME

    Free access
    KIM TAEGWANG / HA DONGWOO / KANG SUNGWOOK et al. | European Patent Office | 2024

    ROLLER ASSEMBLY AND VACUUM CLEANER INCLUDING THE SAME

    Free access
    KIM TAEGWANG / HA DONGWOO / KANG SUNGWOOK et al. | European Patent Office | 2024