Hwan-su Kim

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Kyungki-do, KR

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Patents Grantslast 30 patents

Information Patent Grant
Process of extracting and purifying biologically effective ingredie...
- Patent number 5,910,307
- Issue date Jun 8, 1999
- Sunkyong Industries, Ltd.
- Wie-jong Kwak
- A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE