Chen-Kung Chi

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Taipei, TW

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Patents Grantslast 30 patents

Information Patent Grant
Disazo acid dyestuffs for polyamide fibers applicable in neutral so...
- Patent number 5,527,887
- Issue date Jun 18, 1996
- Allied Industrial Corp., Ltd.
- Hsien-Chyang Tsien
- C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...