Karel A. Brems

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Begijnendijk, BE

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Patents Grantslast 30 patents

Information Patent Grant
Photographic silver halide development in the presence of thioether...
- Patent number 4,292,400
- Issue date Sep 29, 1981
- Agfa-Gevaert, N.V.
- Robert J. Pollet
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY