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G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
G01N27/00—Investigating or analysing materials by the use of electric, electrochemical, or magnetic means
G01N27/26—Investigating or analysing materials by the use of electric, electrochemical, or magnetic means by investigating electrochemical variables; by using electrolysis or electrophoresis
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G01N27/4162—Systems investigating the composition of gases, by the influence exerted on ionic conductivity in a liquid
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FR722985D1931-09-181931-09-18Procédé de dosage de la teneur en oxygène d'un gaz quelconque
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