Pumps with scoops or like paring members protruding in the fluid circulating in a bowl

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Radial-flow pumps, e.g. centrifugal pumps; Helico-centrifugal pumps (adapted for pumping specific fluids F04D7/00; priming or boosting F04D9/00) > Pumps with scoops or like paring members protruding in the fluid circulating in a bowl