Marc Stephan Klopp

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Radevormwald, DE

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Patents Grantslast 30 patents

Information Patent Grant
Method of finishing a valve seat for ball valves, in particular for...
- Patent number 6,564,456
- Issue date May 20, 2003
- Ernst Thielenhaus GmbH & Co. KG
- Harald Goldau
- B24 - GRINDING POLISHING

Patents Applicationslast 30 patents

Information Patent Application
Method of finishing a valve seat for ball valves, in particular for...
- Publication number 20020040523
- Publication date Apr 11, 2002
- Harald Goldau
- B24 - GRINDING POLISHING