Wolfgang Schroedter

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Kiel, DE

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Patents Grantslast 30 patents

Information Patent Grant
Method for engraving printing cylinders having seamless joints with...
- Patent number 4,688,101
- Issue date Aug 18, 1987
- Dr. Ing. Rudolf Hell GmbH
- Juergen Doelves
- H04 - ELECTRIC COMMUNICATION TECHNIQUE