Constantin Puscasu

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Osnabruck, DE

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Patents Grantslast 30 patents

Information Patent Grant
Process for producing brown covering layers on copper
- Patent number 5,282,890
- Issue date Feb 1, 1994
- KM-kabelmetal AG
- Helmut Protzer
- C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...