G03C 7/24 combined with sound-recording (sound recording in general G11B)
Introduced: September 1968
Title
Titles differ between systems:
IPC: combined with sound-recording
CPC: combined with sound-recording (sound recording in general G11B)
Full Title
Full titles differ between systems:
Multicolour photographic processes or agents therefor; Regeneration of such processing agents; Photosensitive materials for multicolour processes > Subtractive cinematographic processes; Materials therefor; Preparing or processing such materials > combined with sound-recording
Multicolour photographic processes or agents therefor; Regeneration of such processing agents; Photosensitive materials for multicolour processes (diffusion transfer processes G03C8/00) > Subtractive cinematographic processes; Materials therefor; Preparing or processing such materials > combined with sound-recording (sound recording in general G11B)
No child classifications to compare. This is a leaf node in both IPC and CPC.