DIFF Subgroup
G03F 5/22 combining several screens; Elimination of moiré
Introduced: September 1968
Title
Titles differ between systems:
IPC: combining several screens; Elimination of moire
CPC: combining several screens; Elimination of moiré
Full Title
Full titles differ between systems:
IPC:
Screening processes; Screens therefor > combining several screens; Elimination of moire
CPC:
Screening processes; Screens therefor > combining several screens; Elimination of moiré
No child classifications to compare. This is a leaf node in both IPC and CPC.