DIFF Subgroup
F04D 1/02 having non-centrifugal stages, e.g. centripetal
Introduced: September 1968
Full Title
Full titles differ between systems:
IPC:
Radial-flow pumps, e.g. centrifugal pumps; Helico-centrifugal pumps > having non-centrifugal stages, e.g. centripetal
CPC:
Radial-flow pumps, e.g. centrifugal pumps; Helico-centrifugal pumps (adapted for pumping specific fluids F04D7/00; priming or boosting F04D9/00) > having non-centrifugal stages, e.g. centripetal
Of 1 combined children, 0 exist in both systems.
1 codes are CPC-only extensions.
Child Classifications
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