DIFF Subgroup
G01N 13/02 Investigating surface tension of liquids
Introduced: September 1968
Full Title
Full titles differ between systems:
IPC:
Investigating surface or boundary effects, e.g. wetting power; Investigating diffusion effects; Analysing materials by determining surface, boundary, or diffusion effects > Investigating surface tension of liquids
CPC:
Investigating surface or boundary effects, e.g. wetting power; Investigating diffusion effects; Analysing materials by determining surface, boundary, or diffusion effects (scanning-probe techniques or apparatus G01Q) > Investigating surface tension of liquids
Of 8 combined children, 0 exist in both systems.
8 codes are CPC-only extensions.
Note: 8 CPC extensions are marked as secondary classification only.
Child Classifications
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