Esa Virtanen

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Turku, FI

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Patents Grantslast 30 patents

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Apparatus and method for determination and control of paper web qua...
- Patent number 7,141,141
- Issue date Nov 28, 2006
- EV Group Oy
- Pekka Koskinen
- D21 - PAPER-MAKING PRODUCTION OF CELLULOSE