Yoshio Onodera

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Tomakomai, JP

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Patents Grantslast 30 patents

Information Patent Grant
Process for producing stone groundwood pulp from wood chips by usin...
- Patent number 4,247,363
- Issue date Jan 27, 1981
- Oji Paper Co., Ltd.
- Shigeharu Soma
- D21 - PAPER-MAKING PRODUCTION OF CELLULOSE