Aaron D. Ezekiel

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Sevenoaks, GB

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Patents Grantslast 30 patents

Information Patent Grant
Spectral sensitization of photographic material and new spectral se...
- Patent number 4,138,551
- Issue date Feb 6, 1979
- Ciba-Geigy AG
- Rolf Steiger
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY