DIFF Subgroup
G01N 9/10 by observing bodies wholly or partially immersed in fluid materials
Introduced: September 1968
Full Title
Investigating density or specific gravity of materials; Analysing materials by determining density or specific gravity > by observing bodies wholly or partially immersed in fluid materials
IPC and CPC are identically structured here. All 2 subcodes exist in both systems.
Child Classifications
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- G01N 9/12 by observing the depth of immersion of the bodies, e.g. hydrometers IPC+CPC Available in IPC and CPC