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PCE
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DIFF Main Group
F25D 17/00

Arrangements for circulating cooling fluids; Arrangements for circulating gas, e.g. air, within refrigerated spaces

Introduced: September 1968

Of 3 combined children, 2 exist in both systems.

1 codes are CPC-only extensions.

1 shared codes have differing titles between IPC and CPC.

Child Classifications

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  • F25D 17/005 CPC only CPC only
  • F25D 17/02 for circulating liquids, e.g. brine IPC+CPC Available in IPC and CPC