DIFF Subgroup Additional Only
F25B 2400/04 Refrigeration circuit bypassing means
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 > Refrigeration circuit bypassing means
Of 10 combined children, 0 exist in both systems.
10 codes are CPC-only extensions.
Note: 10 CPC extensions are marked as secondary classification only.