IPC Subgroup
F04B 23/12 at least one pump being of the rotary-piston positive-displacement type
Introduced: September 1968
Last revised: January 2006
Full Title
Pumping installations or systems > Combinations of two or more pumps > the pumps being of different types > at least one pump being of the rotary-piston positive-displacement type
Classification Context
- Section:
- MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- Class:
- POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- Subclass:
- POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS