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PCE
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DIFF Main Group
G03F 3/00

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

Introduced: September 1968

Title

Titles differ between systems:

IPC: Colour separation; Correction of tonal value

CPC: Colour separation; Correction of tonal value (photographic copying apparatus in general G03B)

Full Title

Full titles differ between systems:

IPC:

Colour separation; Correction of tonal value

CPC:

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

Of 4 combined children, 3 exist in both systems.

1 codes exist only in IPC.

Child Classifications

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  • G03F 3/02 by retouching IPC+CPC Available in IPC and CPC
  • G03F 3/08 by photoelectric means IPC only IPC only