DIFF Subgroup
F27B 7/2206 Full Title
Rotary-drum furnaces, i.e. horizontal or slightly inclined > Details, accessories or equipment specially adapted for rotary-drum furnaces > Rotary drums; Supports therefor
Of 2 combined children, 0 exist in both systems.
2 codes are CPC-only extensions.
Note: 2 CPC extensions are marked as secondary classification only.