Ventilation apparatus for vertical airflow formation
KIM HYUN SOOK, OH, JUN BONG, UM CHUNG YONG, KANG, GWANG OHK, LEE JE HYUNG
Year of Publication 08.03.2022
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Year of Publication 08.03.2022
Patent
External mounting type photocatalytic module assembly
KIM HYUN SOOK, OH, JUN BONG, UM CHUNG YONG, KANG, GWANG OHK, LEE JE HYUNG
Year of Publication 04.03.2022
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Year of Publication 04.03.2022
Patent