CPC Main Group G03F 5/00 Screening processes; Screens therefor 5 direct subcodes Child Classifications Navigate with arrow keys, Enter to open G03F 5/02 by projection methods (cameras G03B) G03F 5/14 by contact methods G03F 5/20 using screens for gravure printing G03F 5/22 combining several screens; Elimination of moiré G03F 5/24 by multiple exposure, e.g. combined processes for line photo and screen