Karl-Heinz Bostel

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Laatzen, DE

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Patents Grantslast 30 patents

Information Patent Grant
Method of producing elastomeric stators for eccentric helical pumps
- Patent number 4,991,292
- Issue date Feb 12, 1991
- Gummi-Jager KG GmbH & Cie
- Karl-Heinz Bostel
- B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL