F27B 2007/046 — IPC vs CPC Diff | Patent Classification Explorer

DIFF Subgroup Additional Only

F27B 2007/046

Full Title

Rotary-drum furnaces, i.e. horizontal or slightly inclined > of multiple-chamber or multiple-drum type > with longitudinal divisions

Of 1 combined children, 0 exist in both systems.

1 codes are CPC-only extensions.

Note: 1 CPC extensions are marked as secondary classification only.

This code exists only in CPC.

Diff view requires codes present in both systems.