Hannu Tähkänen

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Florence, AL, US

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Patents Grantslast 30 patents

Information Patent Grant
Chip screening method and plant
- Patent number 6,907,995
- Issue date Jun 21, 2005
- Valmet Woodhandling Oy
- Hannu Tähkänen
- D21 - PAPER-MAKING PRODUCTION OF CELLULOSE