FI (Note)/(Index) list

Descriptions for F04C18/00 and notes/indexes are displayed on this screen.

F04C18/00 Rotary-piston pumps specially adapted for elastic fluids (with fluid ring or the like F04C 19/00; rotary-piston pumps in which the working-fluid is exclusively displaced by one or more reciprocating pistons F04B)

Note(s)
    Group F04C 18/30 takes precedence over groups F04C 18/02-F04C 18/24. [3,5]