Richardt Norgaard

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Ballerup, DK

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Patents Grantslast 30 patents

Information Patent Grant
Method of controlling the contrast by reproduction such as screen r...
- Patent number 4,378,157
- Issue date Mar 29, 1983
- Eskofot A/S
- Richardt Norgaard
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY