CPC Subgroup
F04B 19/20 Other positive-displacement pumps
Full Title
Machines or pumps having pertinent characteristics not provided for in, or of interest apart from, groups F04B1/00 - F04B17/00 > Other positive-displacement pumps
2 direct subcodes
Child Classifications
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- F04B 19/22 of reciprocating-piston type
- F04B 19/24 Pumping by heat expansion of pumped fluid