DIFF Subgroup
F04B 37/10 for special use (for evacuating by absorption or adsorption F04B37/02; for evacuating by thermal means F04B37/06)
Introduced: September 1968
Title
Titles differ between systems:
IPC: for special use
CPC: for special use (for evacuating by absorption or adsorption F04B37/02; for evacuating by thermal means F04B37/06)
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 special use
CPC:
Pumps having pertinent characteristics not provided for in, or of interest apart from, groups F04B25/00 - F04B35/00 > for special use (for evacuating by absorption or adsorption F04B37/02; for evacuating by thermal means F04B37/06)
IPC and CPC are identically structured here. All 3 subcodes exist in both systems.
Child Classifications
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