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PCE
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DIFF Subgroup
F22B 37/06

Flue or fire tubes; Accessories therefor, e.g. fire-tube inserts

Introduced: September 1968

Full Title

Component parts or details of steam boilers > applicable to more than one kind or type of steam boiler > Flue or fire tubes; Accessories therefor, e.g. fire-tube inserts

IPC and CPC are identically structured here. All 1 subcodes exist in both systems.

Child Classifications

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  • F22B 37/08 Fittings preventing burning-off of the tube edges IPC+CPC Available in IPC and CPC