DIFF Subgroup
G03G 15/1665 Full Title
Apparatus for electrographic processes using a charge pattern (G03G16/00, G03G17/00 take precedence) > for transferring a pattern to a second base > of a toner pattern, e.g. a powder pattern
Of 1 combined children, 0 exist in both systems.
1 codes are CPC-only extensions.