CPC Main Group
G01N 13/00 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)
4 direct subcodes
Child Classifications
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- G01N 13/02 Investigating surface tension of liquids
- G01N 13/04 Investigating osmotic effects