| PATENT ASSIGNEE'S COUNTRY | Belgium |
| UPDATE | 02.00 |
| PATENT ASSIGNEE | This data is not available for free |
| PATENT CLAIMS |
Photographic AgX material for producing black & white negatives comprising light-sensitive AgX emulsion layer on a substrate, the AgX emulsion layer contg - Hydrazine compd - Contrast-boosting amino compd - Sulphite |
| PATENT PHOTOCOPY | Available on request |
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