Rainer Kuhna

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Frankfurt am Main, DE

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Patents Grantslast 30 patents

Information Patent Grant
Process of producing phosphate coatings
- Patent number 4,867,853
- Issue date Sep 19, 1989
- Metallgesellschaft Aktiengesellschaft
- Dieter Hauffe
- C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...