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PCE
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DIFF Subgroup
F25D 17/08

using ducts

Introduced: September 1968

Full Title

Full titles differ between systems:

IPC:

Arrangements for circulating cooling fluids; Arrangements for circulating gas, e.g. air, within refrigerated spaces > for circulating gas, e.g. by natural convection > by forced circulation > using ducts

CPC:

Arrangements for circulating cooling fluids; Arrangements for circulating gas, e.g. air, within refrigerated spaces > for circulating air, e.g. by convection > by forced circulation > using ducts

No child classifications to compare. This is a leaf node in both IPC and CPC.