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PCE
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DIFF Subgroup
F04B 37/04

Selection of specific absorption or adsorption materials

Introduced: September 1968

Full Title

Full titles differ between systems:

IPC:

Pumps specially adapted for elastic fluids and having pertinent characteristics not provided for in, or of interest apart from, groups > for evacuating by absorption or adsorption > Selection of specific absorption or adsorption materials

CPC:

Pumps having pertinent characteristics not provided for in, or of interest apart from, groups F04B25/00 - F04B35/00 > for evacuating by absorption or adsorption > Selection of specific absorption or adsorption materials

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