Martin Merz

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Zunzgen, CH

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Patents Grantslast 30 patents

Information Patent Grant
Carbonate-containing mineral fillers, pigments and similar materials
- Patent number 4,767,464
- Issue date Aug 30, 1988
- Pluss-Staufer AG
- Dieter Strauch
- D21 - PAPER-MAKING PRODUCTION OF CELLULOSE