Shiro Nakajima

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Aichi, JP

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Patents Grantslast 30 patents

Information Patent Grant
Process for manufacturing magnesium carbonate board
- Patent number 4,242,163
- Issue date Dec 30, 1980
- Nippon Hardboard Co., Ltd.
- Shiro Nakajima
- D21 - PAPER-MAKING PRODUCTION OF CELLULOSE