DIFF Subgroup
F04B 37/12 to obtain high pressure
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 special use > to obtain high pressure
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) > to obtain high pressure
No child classifications to compare. This is a leaf node in both IPC and CPC.