Masahiro Hiraki

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Urawa, JP

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Patents Grantslast 30 patents

Information Patent Grant
Phenylazophenylazonaphtholsulfonic acids substituted by a triaminot...
- Patent number 4,968,784
- Issue date Nov 6, 1990
- Nippon Kayaku Kabushiki Kaisha
- Hidenori Imai
- C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...