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PCE
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CPC Subgroup
F04B 37/12

to obtain high pressure

Full Title

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