DIFF Subgroup
F04D 3/02 of screw type
Introduced: September 1968
Full Title
Full titles differ between systems:
IPC:
Axial-flow pumps > of screw type
CPC:
Axial-flow pumps (priming or boosting F04D9/00) > of screw type
No child classifications to compare. This is a leaf node in both IPC and CPC.