Olli Korhonen

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Helsinki, FI

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Patents Grantslast 30 patents

Information Patent Grant
Method for the treatment of spent liquors in pulp production
- Patent number 5,022,962
- Issue date Jun 11, 1991
- Enso-Gutzeit OY
- Olli Korhonen
- D21 - PAPER-MAKING PRODUCTION OF CELLULOSE