Karl-Erik Lekander

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Alings.ang.s, SE

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Patents Grantslast 30 patents

Information Patent Grant
Method of making sulphate pulp
- Patent number 4,690,731
- Issue date Sep 1, 1987
- Sunds Defibrator Aktiebolag
- Nils J. C. Hartler
- D21 - PAPER-MAKING PRODUCTION OF CELLULOSE