DIFF Subgroup
G03F 5/04 changing the screen effect
Introduced: September 1968
Full Title
Full titles differ between systems:
IPC:
Screening processes; Screens therefor > by projecting methods > changing the screen effect
CPC:
Screening processes; Screens therefor > by projection methods (cameras G03B) > changing the screen effect
No child classifications to compare. This is a leaf node in both IPC and CPC.