DIFF Subgroup Additional Only
F25D 2317/065 characterised by the air return
Full Title
Details or arrangements for circulating cooling fluids; Details or arrangements for circulating gas, e.g. air, within refrigerated spaces, not provided for in other groups of this subclass > with forced air circulation > characterised by the air return
Of 5 combined children, 0 exist in both systems.
5 codes are CPC-only extensions.
Note: 5 CPC extensions are marked as secondary classification only.