SJ

Song Ki Jeon

📍 Anmyeon-eup, KR: #360 of 671 inventorsTop 55%
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Issued Patents All Time

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
8052765 Contoured PCD and PCBN for twist drill tips and end mills and methods of forming the same H. Sam Cho, Lee Bong Kyu, Kim yong Il, Han Kyung Ryul 2011-11-08