DIFF Subgroup
F24D 19/08 Arrangements for drainage, venting or aerating (valves for venting or aerating F16K24/00)
Introduced: January 1980
Title
Titles differ between systems:
IPC: Arrangements for drainage, venting or aerating
CPC: Arrangements for drainage, venting or aerating (valves for venting or aerating F16K24/00)
Full Title
Full titles differ between systems:
IPC:
Details > Arrangements for drainage, venting or aerating
CPC:
Details (of water or air heaters F24H9/00; of heat-exchange or heat-transfer apparatus, of general application F28F) > Arrangements for drainage, venting or aerating (valves for venting or aerating F16K24/00)
Of 2 combined children, 0 exist in both systems.
2 codes are CPC-only extensions.
Child Classifications
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