Wolfgang Konnert

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Frechen, DE

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Patents Grantslast 30 patents

Information Patent Grant
Process for the production of conversion layers on metal surfaces b...
- Patent number 4,326,894
- Issue date Apr 27, 1982
- Gerhard Collardin GmbH
- Wolfgang Konnert
- C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...