DIFF Subgroup
G03B 27/73 Controlling exposure by variation of spectral composition, e.g. multicolor printers
Introduced: January 1980
Full Title
Photographic printing apparatus > Controlling or varying light intensity, spectral composition, or exposure time in photographic printing apparatus > Controlling exposure by variation of spectral composition, e.g. multicolor printers
Of 1 combined children, 0 exist in both systems.
1 codes are CPC-only extensions.
Child Classifications
Navigate with arrow keys, Enter to open