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PCE
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DIFF Subgroup
G03F 3/02

by retouching

Introduced: September 1968

Full Title

Full titles differ between systems:

IPC:

Colour separation; Correction of tonal value > by retouching

CPC:

Colour separation; Correction of tonal value (photographic copying apparatus in general G03B) > by retouching

No child classifications to compare. This is a leaf node in both IPC and CPC.