Pia Hellström

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Hjartum, SE

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Patents Grantslast 30 patents

Information Patent Grant
Method of treating surface of fibreboard with hydrogen peroxide
- Patent number 6,653,264
- Issue date Nov 25, 2003
- Akzo Nobel N.V.
- Carl-Erik Sundman
- D21 - PAPER-MAKING PRODUCTION OF CELLULOSE