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PCE
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DIFF Main Group
F23J 13/00

Fittings for chimneys or flues (side-supporting means for chimney stacks E04H12/20; ladders permanently attached to chimneys E06C9/00; draught-inducing apparatus associated with chimneys or flues F23L17/00; tops for chimneys, terminals for flues F23L17/02)

Introduced: September 1968

Title

Titles differ between systems:

IPC: Fittings for chimneys or flues

CPC: Fittings for chimneys or flues (side-supporting means for chimney stacks E04H12/20; ladders permanently attached to chimneys E06C9/00; draught-inducing apparatus associated with chimneys or flues F23L17/00; tops for chimneys, terminals for flues F23L17/02)

Full Title

Full titles differ between systems:

IPC:

Fittings for chimneys or flues

CPC:

Fittings for chimneys or flues (side-supporting means for chimney stacks E04H12/20; ladders permanently attached to chimneys E06C9/00; draught-inducing apparatus associated with chimneys or flues F23L17/00; tops for chimneys, terminals for flues F23L17/02)

IPC and CPC are identically structured here. All 4 subcodes exist in both systems.

Child Classifications

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  • F23J 13/04 Joints; Connections IPC+CPC Available in IPC and CPC
  • F23J 13/06 Mouths; Inlet holes IPC+CPC Available in IPC and CPC
  • F23J 13/08 Doors or covers specially adapted for smoke-boxes, flues, or chimneys IPC+CPC Available in IPC and CPC