Helmut Schmiedel

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Frechen, DE

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Patents Grantslast 30 patents

Information Patent Grant
Printing plate substrate and method of making a printing plate subs...
- Patent number 6,324,978
- Issue date Dec 4, 2001
- VAW aluminum AG
- Jürgen Kaulen
- B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS