Kyosti Levanen

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Jyvaskyla, FI

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Patents Grantslast 30 patents

Information Patent Grant
Twin-wire web forming section in a paper machine
- Patent number 4,220,502
- Issue date Sep 2, 1980
- Valmeta Oy
- Kyosti Levanen
- D21 - PAPER-MAKING PRODUCTION OF CELLULOSE