Der-Chin Song

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Tau-Yuan Hsien, TW

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Patents Grantslast 30 patents

Information Patent Grant
Reactive dye composition
- Patent number 6,171,349
- Issue date Jan 9, 2001
- Everlight USA, Inc.
- Bao-Kun Lai
- C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...