DIFF Main Group
F24F 7/00 Ventilation
Introduced: September 1968
Of 8 combined children, 4 exist in both systems.
4 codes are CPC-only extensions.
Note: 4 CPC extensions are marked as secondary classification only.
2 shared codes have differing titles between IPC and CPC.
Child Classifications
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- F24F 7/007 with forced flow (using ducting systems F24F7/06) since 1980 IPC+CPC Available in IPC and CPC
- F24F 7/02 Roof ventilation (ventilation of roof coverings E04D) +1 CPC IPC+CPC Available in IPC and CPC