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PCE
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DIFF Subgroup
G03G 21/1661

Full Title

Arrangements not provided for by groups G03G13/00 - G03G19/00, e.g. cleaning, elimination of residual charge > Mechanical means for facilitating the maintenance of the apparatus, e.g. modular arrangements

Of 7 combined children, 0 exist in both systems.

7 codes are CPC-only extensions.