Hans Dieter Carstens

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Kiel, DE

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Patents Grantslast 30 patents

Information Patent Grant
Engraving mechanism for electronic engraving machines
- Patent number 6,634,286
- Issue date Oct 21, 2003
- Hell Gravure Systems GmbH
- Hans Dieter Carstens
- B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS