CPC Subgroup
F04B 19/06 Pumps for delivery of both liquid and elastic fluids at the same time (wet gas pumps F04B37/20)
Full Title
Machines or pumps having pertinent characteristics not provided for in, or of interest apart from, groups F04B1/00 - F04B17/00 > Pumps for special use > Pumps for delivery of both liquid and elastic fluids at the same time (wet gas pumps F04B37/20)