Werner Brennig

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Dormagen, DE

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Patents Grantslast 30 patents

Information Patent Grant
Cleaning of machines for the production and processing of plastics
- Patent number 5,427,623
- Issue date Jun 27, 1995
- Bayer AG
- Werner Schumann
- B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL