Walter Wenzel

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Rossdorf, DE

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Patents Grantslast 30 patents

Information Patent Grant
Process for generating a vacuum in production of polycarbonate
- Patent number 5,576,414
- Issue date Nov 19, 1996
- Zimmer Aktiengesellschaft
- Fritz Wilhelm
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...