CPC Subgroup
G01N 15/0806 Full Title
Investigating characteristics of particles; Investigating permeability, pore-volume or surface-area of porous materials > Investigating permeability, pore-volume, or surface area of porous materials
G01N 15/0806 Investigating characteristics of particles; Investigating permeability, pore-volume or surface-area of porous materials > Investigating permeability, pore-volume, or surface area of porous materials