CPC Subgroup
G03B 33/02 by two-colour separation records, e.g. red-aspect and white complete records; using Land effect
Full Title
Colour photography, other than mere exposure or projection of a colour film (printing apparatus G03B27/00; stereoscopic colour photography G03B35/00) > by two-colour separation records, e.g. red-aspect and white complete records; using Land effect