DIFF Subgroup
F04D 1/04 Helico-centrifugal pumps
Introduced: September 1968
Full Title
Full titles differ between systems:
IPC:
Radial-flow pumps, e.g. centrifugal pumps; Helico-centrifugal pumps > Helico-centrifugal pumps
CPC:
Radial-flow pumps, e.g. centrifugal pumps; Helico-centrifugal pumps (adapted for pumping specific fluids F04D7/00; priming or boosting F04D9/00) > Helico-centrifugal pumps
No child classifications to compare. This is a leaf node in both IPC and CPC.