Fernand I. Ketels

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Kontich, BE

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Patents Grantslast 30 patents

Information Patent Grant
Method of developing direct positive silver halide material
- Patent number 5,155,014
- Issue date Oct 13, 1992
- Agfa-Gevaert, N.V.
- Jozef P. De Prijcker
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY