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PCE
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DIFF Subgroup
G01N 9/32

by using flow properties of fluids, e.g. flow through tubes or apertures

Introduced: September 1968

Full Title

Investigating density or specific gravity of materials; Analysing materials by determining density or specific gravity > by using flow properties of fluids, e.g. flow through tubes or apertures

IPC and CPC are identically structured here. All 1 subcodes exist in both systems.

Child Classifications

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  • G01N 9/34 by using elements moving through the fluid, e.g. vane IPC+CPC Available in IPC and CPC