Ezio Astengo

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Bragno/Cairo Montenotte, IT

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Patents Grantslast 30 patents

Information Patent Grant
Silver bromoiodide core-shell grain emulsion
- Patent number 6,258,522
- Issue date Jul 10, 2001
- Ferrania SpA
- Mario Mariotti
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY