Ola Johansson

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Brockfield, WI, US

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Patents Grantslast 30 patents

Information Patent Grant
Method and device for treatment of fibrous material
- Patent number 6,206,309
- Issue date Mar 27, 2001
- Valmet Fibertech Aktiebolag
- Ove Danielsson
- D21 - PAPER-MAKING PRODUCTION OF CELLULOSE