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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.