DIFF Subgroup
G01F 11/04 of the free-piston type
Introduced: September 1968
Full Title
Apparatus requiring external operation adapted at each repeated and identical operation to measure and separate a predetermined volume of fluid or fluent solid material from a supply or container, without regard to weight, and to deliver it > with measuring chambers which expand or contract during measurement > of the free-piston type
IPC and CPC are identically structured here. All 1 subcodes exist in both systems.
Child Classifications
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