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DIFF Subgroup
F22D 1/34

and returning condensate to boiler with main feed supply

Introduced: September 1968

Full Title

Full titles differ between systems:

IPC:

Feed-water heaters, e.g. preheaters > arranged to be heated by steam, e.g. bled from turbines > and returning condensate to boiler with main feed supply

CPC:

Feed-water heaters, i.e. economisers or like preheaters > arranged to be heated by steam, e.g. bled from turbines > and returning condensate to boiler with main feed supply

No child classifications to compare. This is a leaf node in both IPC and CPC.