Pertti Wathen

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Queensbury, NY, US

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Patents Grantslast 30 patents

Information Patent Grant
Method and apparatus for screening fibrous suspensions
- Patent number 5,575,395
- Issue date Nov 19, 1996
- A. Ahlstrom Corporation
- Timo Alajaaski
- D21 - PAPER-MAKING PRODUCTION OF CELLULOSE