Kazuo Miyahana

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hyogo, JP

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Patents Grantslast 30 patents

Information Patent Grant
Process for sizing paper and process for making plasterboard base p...
- Patent number 4,533,434
- Issue date Aug 6, 1985
- Seiko Kagaku Kogyo Co., Ltd.
- Shigehiko Yoshioka
- D21 - PAPER-MAKING PRODUCTION OF CELLULOSE