Seong-Ill Cheong

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Suwon-si, KR

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Patents Grantslast 30 patents

Information Patent Grant
Apparatus for the preparation of polyester resin
- Patent number 5,714,553
- Issue date Feb 3, 1998
- SKC Limited
- Nam-Il Kim
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...