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PCE
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DIFF Main Group
F04C 7/00

Rotary-piston machines or pumps with fluid ring or the like (such pumps specially adapted for elastic fluids F04C19/00)

Introduced: September 1968

Title

Titles differ between systems:

IPC: Rotary-piston machines or pumps with fluid ring or the like

CPC: Rotary-piston machines or pumps with fluid ring or the like (such pumps specially adapted for elastic fluids F04C19/00)

Full Title

Full titles differ between systems:

IPC:

Rotary-piston machines or pumps with fluid ring or the like

CPC:

Rotary-piston machines or pumps with fluid ring or the like (such pumps specially adapted for elastic fluids F04C19/00)

No child classifications to compare. This is a leaf node in both IPC and CPC.