Young-Ho Choi |
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Documents |
| Date | Document Name & Details | Documents |
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| 6 August 2013 | Preparation Method for Hollow Carbon Fiber Using Supercritical Fluid United States Patent US 8,501,146 Young-Ho Choi, Suck Han, and Chi-Hoon Choi for Hyundai Motor Company |  PDF - 410KB - 6 pages |