through a restricted passage, e.g. tube, aperture

Introduced: September 1968

Full Title

Full titles differ between systems:

IPC:

Investigating flow properties of materials, e.g. viscosity or plasticity; Analysing materials by determining flow properties > by measuring flow of the material > through a restricted passage, e.g. tube, aperture

CPC:

Investigating flow properties of materials, e.g. viscosity, plasticity; Analysing materials by determining flow properties > by measuring flow of the material > through a restricted passage, e.g. tube, aperture

IPC and CPC are identically structured here. All 2 subcodes exist in both systems.

Child Classifications

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G01N 11/06 by timing the outflow of a known quantity IPC+CPC Available in IPC and CPC
G01N 11/08 by measuring pressure required to produce a known flow IPC+CPC Available in IPC and CPC