DIFF Subgroup
G03F 5/02 by projection methods (cameras G03B)
Introduced: September 1968
Title
Titles differ between systems:
IPC: by projecting methods
CPC: by projection methods (cameras G03B)
Full Title
Full titles differ between systems:
IPC:
Screening processes; Screens therefor > by projecting methods
CPC:
Screening processes; Screens therefor > by projection methods (cameras G03B)
IPC and CPC are identically structured here. All 5 subcodes exist in both systems.
Child Classifications
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