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    Safety system of Cross walk

    Free access
    KIM WAN KI / CHO SEUNG PYO / JANG YOUNG JUN et al. | European Patent Office | 2017

    Enforcement system of illegal parking

    Free access
    KIM WAN KI / CHO SEUNG PYO / JANG YOUNG JUN et al. | European Patent Office | 2017

    Fall protection system on Platform

    Free access
    KIM WAN KI / CHO SEUNG PYO / JANG YOUNG JUN et al. | European Patent Office | 2017