DIFF Subgroup
G03C 7/20 Subtractive colour processes using differently sensitised films, each coated on its own base, e.g. bipacks, tripacks
Introduced: September 1968
Full Title
Full titles differ between systems:
IPC:
Multicolour photographic processes or agents therefor; Regeneration of such processing agents; Photosensitive materials for multicolour processes > Subtractive colour processes using differently sensitised films, each coated on its own base, e.g. bipacks, tripacks
CPC:
Multicolour photographic processes or agents therefor; Regeneration of such processing agents; Photosensitive materials for multicolour processes (diffusion transfer processes G03C8/00) > Subtractive colour processes using differently sensitised films, each coated on its own base, e.g. bipacks, tripacks
No child classifications to compare. This is a leaf node in both IPC and CPC.