DIFF Subgroup
F04B 23/04 Combinations of two or more pumps
Introduced: September 1968
Full Title
Full titles differ between systems:
IPC:
Pumping installations or systems > Combinations of two or more pumps
CPC:
Pumping installations or systems (pumps characterised by combination with, or adaptation to, specific driving engines or motors F04B17/00) > Combinations of two or more pumps
IPC and CPC are identically structured here. All 2 subcodes exist in both systems.
Child Classifications
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- F04B 23/06 the pumps being all of reciprocating positive-displacement type IPC+CPC Available in IPC and CPC