Hartwig Pieper

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Frankenthal, DE

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Patents Grantslast 30 patents

Information Patent Grant
Adhesively securable multilayer relief plate for flexographic printing
- Patent number 4,871,631
- Issue date Oct 3, 1989
- BASF Aktiengesellschaft
- Hartwig Pieper
- B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information Patent Grant
Joining the cut edges of photopolymerized flexographic printing plates
- Patent number 4,828,641
- Issue date May 9, 1989
- BASF Aktiengesellschaft
- Heinz-Ulrich Werther
- B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS