CPC Subgroup
F04B 19/08 Scoop devices
Full Title
Machines or pumps having pertinent characteristics not provided for in, or of interest apart from, groups F04B1/00 - F04B17/00 > Scoop devices
3 direct subcodes
Child Classifications
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- F04B 19/10 of wheel type
- F04B 19/12 of helical or screw-type
- F04B 19/14 of endless-chain type, e.g. with the chains carrying pistons co-operating with open-ended cylinders