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PCE
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DIFF Subgroup
F22D 11/02

Arrangements of feed-water pumps

Introduced: September 1968

Full Title

Feed-water supply not provided for in other main groups > Arrangements of feed-water pumps

IPC and CPC are identically structured here. All 2 subcodes exist in both systems.

Child Classifications

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  • F22D 11/04 with means to eliminate steam formation IPC+CPC Available in IPC and CPC
  • F22D 11/06 for returning condensate to boiler IPC+CPC Available in IPC and CPC