DIFF Subgroup
E04F 17/12 Chutes
Introduced: September 1968
Full Title
Full titles differ between systems:
IPC:
Vertical ducts; Channels, e.g. for drainage > Arrangements in buildings for the disposal of refuse > Chutes
CPC:
Vertical ducts; Channels, e.g. for drainage (pipes in general F16L; pipe-line systems F17D ) > Arrangements in buildings for the disposal of refuse (refuse bins, gathering or removal of refuse B65F) > Chutes
Of 1 combined children, 0 exist in both systems.
1 codes are CPC-only extensions.
Child Classifications
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