Christian Herkt-Maetzky

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Haltern, DE

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Patents Grantslast 30 patents

Information Patent Grant
Polymeric materials which can be inscribed by laser light
- Patent number 5,053,440
- Issue date Oct 1, 1991
- Huels Aktiengesellschaft
- Ralf Schueler
- B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS