DIFF Subgroup Additional Only
F25B 2400/05 Compression system with heat exchange between particular parts of the system
Full Title
General features or devices for refrigeration machines, plants or systems, combined heating and refrigeration systems or heat-pump systems, i.e. not limited to a particular subgroup of F25B > Compression system with heat exchange between particular parts of the system
Of 4 combined children, 0 exist in both systems.
4 codes are CPC-only extensions.
Note: 4 CPC extensions are marked as secondary classification only.