YS

Yoon K. Sin

PC Pohang Iron & Steel Co.: 1 patents #55 of 233Top 25%
📍 Seoul, KR: #24,369 of 39,741 inventorsTop 65%
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Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
4419274 Nonmetallic catalyst compositions for oxidation of ammonia and process for making the catalyst Daiuk Kim 1983-12-06