Choon Soo Lee |
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| Date | Document Name & Details | Documents |
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| 19 February 2013 | Composition of Polyketone with High Impact Strength United States Patent US 8,378,023 Choon Soo Lee, Min Hee Lee, Bong Hyun Park, Seong Hoon Lee, Jong Hwal Kim, Sung Kyoun Yoon, and Byoung Gook Kang for Hyundai Motor Company, Desco Co., Ltd., and Hyosung Corporation |  PDF - 1.0MB - 5 pages |