Esko J. Harkonen

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Karlstad, SE

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Patents Grantslast 30 patents

Information Patent Grant
Controlling operation of a centrifugal pump
- Patent number 4,435,193
- Issue date Mar 6, 1984
- Kamyr AB
- Johan E. Gullichsen
- D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information Patent Grant
Method and an apparatus for separating a gas from a fibre suspension
- Patent number 4,410,337
- Issue date Oct 18, 1983
- A. Ahlstrom Osakeyhtio
- Johan Gullichsen
- D21 - PAPER-MAKING PRODUCTION OF CELLULOSE