Gerhard Wernlein

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Eriskirch, DE

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Patents Grantslast 30 patents

Information Patent Grant
Multilayer headbox
- Patent number 5,645,689
- Issue date Jul 8, 1997
- Voith Sulzer Papiermachinen GmbH
- Wolfgang Ruf
- D21 - PAPER-MAKING PRODUCTION OF CELLULOSE