JY

Jong-Kook Yeom

EC Ehwa Diamond Industrial Co.: 1 patents #22 of 49Top 45%
Overall (All Time): #3,051,803 of 4,157,543Top 75%
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Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
9028300 Grinding tool adapted to collect grinding particles Jang Hyuk Ahn 2015-05-12