Erkki Yli-Vakkuri

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Savonlinna, FI

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Patents Grantslast 30 patents

Information Patent Grant
Procedure for washing cellulose
- Patent number 4,502,171
- Issue date Mar 5, 1985
- Enso-Gutzeit OY
- Ensio Koskinen
- D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information Patent Grant
Means for washing cellulose pulp
- Patent number 4,266,413
- Issue date May 12, 1981
- Enso-Gutzeit Osakeyhto
- Erkki Yli-Vakkuri
- D21 - PAPER-MAKING PRODUCTION OF CELLULOSE