Keizo Matsumoto

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Osaka, JA

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Patents Grantslast 30 patents

Information Patent Grant
Novel resins and manufacturing the same
- Patent number 3,944,532
- Issue date Mar 16, 1976
- Arkawa Rinsan Kagaku Kogyo Kabushiki Kaisha
- Shuhei Ishibe
- D21 - PAPER-MAKING PRODUCTION OF CELLULOSE