Patent classifications
G
PHYSICS
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G01
MEASURING; TESTING
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G01N
INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
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15/00
Investigating characteristics of particles; Investigating permeability, pore-volume or surface-area of porous materials
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G01N15/08
Investigating permeability, pore-volume, or surface area of porous materials
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G01N15/082
Investigating permeability by forcing a fluid through a sample
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G01N15/0826
and measuring fluid flow rate, i.e. permeation rate or pressure change
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