Ernst-August Hackmann

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Wiesbaden, DE

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Patents Grantslast 30 patents

Information Patent Grant
Radiation-sensitive recording material with a positive-working, rad...
- Patent number 5,378,584
- Issue date Jan 3, 1995
- Hoechst Aktiengesellschaft
- Hans W. Frass
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY