ICS Поле
23.100.01 Fluid power systems in general
23.100.10 Pumps and motors
23.100.20 Cylinders
23.100.40 Piping and couplings
23.100.50 Control components
Including valves
23.100.60 Filters, seals and contamination of fluids
Hydraulic fluids, смотри 75.120
23.100.99 Other fluid power system components