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PCE
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CPC Subgroup
G03C 7/29

Azo dyes therefor

Full Title

Multicolour photographic processes or agents therefor; Regeneration of such processing agents; Photosensitive materials for multicolour processes (diffusion transfer processes G03C8/00) > Silver dye bleach processes; Materials therefor; Preparing or processing such materials > Azo dyes therefor