Per-.ANG.ke Farnstrand

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Sundsvall, SE

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Patents Grantslast 30 patents

Information Patent Grant
Chlorine dioxide bleaching of chemical pulp
- Patent number 5,589,031
- Issue date Dec 31, 1996
- Sunds Defibrator Industries Aktiebolag
- Per-.ANG.ke Farnstrand
- D21 - PAPER-MAKING PRODUCTION OF CELLULOSE