CPC Subgroup
G03C 7/18 Processes for the correction of the colour image in subtractive colour photography (using coloured couplers G03C7/333)
Full Title
Multicolour photographic processes or agents therefor; Regeneration of such processing agents; Photosensitive materials for multicolour processes (diffusion transfer processes G03C8/00) > Processes for the correction of the colour image in subtractive colour photography (using coloured couplers G03C7/333)