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Nishinomiya-shi, Hyougo-ken, JP

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Patents Grantslast 30 patents

Information Patent Grant
Quinophtahalone derivatives for dyeing denim cotton yarn, optionall...
- Patent number 4,941,887
- Issue date Jul 17, 1990
- Tetsuo Sakagawa
- D06 - TREATMENT OF TEXTILES OR THE LIKE LAUNDERING FLEXIBLE MATERIALS NOT OTH...