Andreas Spiess

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Kloten, CH

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Patents Grantslast 30 patents

Information Patent Grant
Process and apparatus for evaluating printing quality and for regul...
- Patent number 4,649,502
- Issue date Mar 10, 1987
- GRETAG Aktiengesellschaft
- Guido Keller
- B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS