DIFF Main Group
F04D 19/00 Axial-flow pumps (F04D21/00 takes precedence; )
Introduced: September 1968
Title
Titles differ between systems:
IPC: Axial-flow pumps specially adapted for elastic fluids
CPC: Axial-flow pumps (F04D21/00 takes precedence; )
Full Title
Full titles differ between systems:
IPC:
Axial-flow pumps specially adapted for elastic fluids
CPC:
Axial-flow pumps (F04D21/00 takes precedence; )
CPC subdivides this area 3x more granularly than IPC with 2 additional codes.
2 codes are CPC-only extensions.
Child Classifications
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