Jacques Leon Vanheerentals

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Patents Grantslast 30 patents

Information Patent Grant
Method of determining exposure times for photographic copying material
- Patent number 4,104,069
- Issue date Aug 1, 1978
- AGFA-Gevaert, A.G.
- Jacques Leon Vanheerentals
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY