Detlev Bohnhorst

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Cologne, DE

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Patents Grantslast 30 patents

Information Patent Grant
Process for phosphating electrolytically zinc-coated metals
- Patent number 4,762,572
- Issue date Aug 9, 1988
- Gerhard Collardin GmbH
- Raschad Mady
- C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...