417 / | HD | PUMPS |
65 | DF | ONE FLUID PUMPED BY CONTACT OR ENTRAINMENT WITH ANOTHER {10} |
118 | DF | .~ Liquid pumped by supplying or exhausting gaseous motive fluid to or from pumping chamber {7} |
126 | DF | .~.~ With float actuated control means {5} |
127 | .~.~.~ Plural floats in single pumping chamber |