Hans-Otto Heinrich

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Heidenheim, DE

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Patents Grantslast 30 patents

Information Patent Grant
Apparatus for the production of mechanical wood pulp
- Patent number 4,405,091
- Issue date Sep 20, 1983
- J. M. Voith GmbH
- Theodor Bahr
- D21 - PAPER-MAKING PRODUCTION OF CELLULOSE