DIFF Subgroup
F24F 7/007 with forced flow (using ducting systems F24F7/06)
Introduced: January 1980
Title
Titles differ between systems:
IPC: with forced flow
CPC: with forced flow (using ducting systems F24F7/06)
Full Title
Full titles differ between systems:
IPC:
Ventilation > with forced flow
CPC:
Ventilation > with forced flow (using ducting systems F24F7/06)
IPC and CPC are identically structured here. All 1 subcodes exist in both systems.
IPC defines codes here since 1980.
Child Classifications
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- F24F 7/013 using wall or window fans, displacing air through the wall or window since 1980 IPC+CPC Available in IPC and CPC