CPC Subgroup
F04B 49/04 Regulating by means of floats (F04B49/025 takes precedence)
Full Title
Control of, or safety measures for, machines, pumps, or pumping installations, not otherwise provided for, or of interest apart from, groups F04B1/00 - F04B47/00 > Regulating by means of floats (F04B49/025 takes precedence)