Ermst-Rudolf Gottfried Weidlich

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Kiel, DE

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Patents Grantslast 30 patents

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Method for calibrating an engraving amplifier
- Patent number 6,985,264
- Issue date Jan 10, 2006
- Hell Gravure Systems GmbH
- Ermst-Rudolf Gottfried Weidlich
- H04 - ELECTRIC COMMUNICATION TECHNIQUE