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IPC Subgroup
F04B 23/08

the pumps being of different types

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

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

3 direct subcodes

Child Classifications

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  • F04B 23/1 at least one pump being of the reciprocating positive-displacement type
  • F04B 23/12 at least one pump being of the rotary-piston positive-displacement type
  • F04B 23/14 at least one pump being of the non-positive-displacement type