Heinz Ballreich

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Neulussheim, DE

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Patents Grantslast 30 patents

Information Patent Grant
Process of and composition for de-inking waste paper as well as pap...
- Patent number 4,487,655
- Issue date Dec 11, 1984
- Benckiser-Knapsack GmbH
- Siegfried N/o/ etzel
- D21 - PAPER-MAKING PRODUCTION OF CELLULOSE