Harri Ruotsalainen

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Varkaus, FR

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Patents Grantslast 30 patents

Information Patent Grant
Doctor blade for a fiber web machine and doctor arrangement in a fi...
- Patent number 8,771,473
- Issue date Jul 8, 2014
- Valmet Technologies, Inc.
- Reijo Hassinen
- D21 - PAPER-MAKING PRODUCTION OF CELLULOSE