Kaoru Okada

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Kobe, JP

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Patents Grantslast 30 patents

Information Patent Grant
Sizing agent for use in making paper
- Patent number 4,200,562
- Issue date Apr 29, 1980
- Seiko Kagaku Kogyo Co., Ltd.
- Shigehiko Yoshioka
- D21 - PAPER-MAKING PRODUCTION OF CELLULOSE