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PCE
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Search for IPC and CPC classification codes or keywords
DIFF Subgroup
F22B 27/04

built-up from water tubes (F22B27/12 - F22B27/16 take precedence)

Introduced: September 1968

Title

Titles differ between systems:

IPC: built-up from water tubes

CPC: built-up from water tubes (F22B27/12 - F22B27/16 take precedence)

Full Title

Full titles differ between systems:

IPC:

Instantaneous or flash steam boilers > built-up from water tubes

CPC:

Instantaneous or flash steam boilers > built-up from water tubes (F22B27/12 - F22B27/16 take precedence)

IPC and CPC are identically structured here. All 3 subcodes exist in both systems.

Child Classifications

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  • F22B 27/06 bent in serpentine or sinuous form IPC+CPC Available in IPC and CPC
  • F22B 27/08 bent helically, i.e. coiled IPC+CPC Available in IPC and CPC
  • F22B 27/10 bent spirally IPC+CPC Available in IPC and CPC