CPC Main Group
F04B 19/00 Machines or pumps having pertinent characteristics not provided for in, or of interest apart from, groups F04B1/00 - F04B17/00
7 direct subcodes
Child Classifications
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- F04B 19/02 having movable cylinders
- F04B 19/04 Pumps for special use
- F04B 19/08 Scoop devices
- F04B 19/16 Adhesion-type liquid-lifting devices
- F04B 19/20 Other positive-displacement pumps