Werner Kleinhans

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Unna, DE

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Patents Grantslast 30 patents

Information Patent Grant
Sealing element, particularly for shut-off and regulating valves, a...
- Patent number 5,888,638
- Issue date Mar 30, 1999
- Friedrich Grohe AG
- Werner Kleinhans
- C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...