Jorma Kotanen

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Jyvaskyla, FI

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Patents Grantslast 30 patents

Information Patent Grant
Air-directing device for multiple cylinder dryer of paper machine
- Patent number 4,416,070
- Issue date Nov 22, 1983
- Valmet Oy
- Timo Vedenpa
- D21 - PAPER-MAKING PRODUCTION OF CELLULOSE