CPC Subgroup
F04B 27/24 Control not provided for in a single group of groups F04B27/02 - F04B27/22
Full Title
Multi-cylinder pumps specially adapted for elastic fluids and characterised by number or arrangement of cylinders (multi-stage pumps specially adapted for elastic fluids F04B25/00) > Control not provided for in a single group of groups F04B27/02 - F04B27/22