Casings; Linings; Walls

Introduced: September 1968

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

Child Classifications

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F23M 5/02 characterised by the shape of the bricks or blocks used +1 CPC IPC+CPC Available in IPC and CPC
F23M 5/04 Supports for linings IPC+CPC Available in IPC and CPC
F23M 5/06 Crowns or roofs for combustion chambers IPC+CPC Available in IPC and CPC
F23M 5/08 Cooling thereof; Tube walls +1 CPC IPC+CPC Available in IPC and CPC