Werner Frank

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Bergisch-Gladbach, DE

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Patents Grantslast 30 patents

Information Patent Grant
Method of producing elastic foams having a base of polyurethane by...
- Patent number 5,118,722
- Issue date Jun 2, 1992
- Illbruck GmbH
- Klaus Wollmann
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...