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2198619
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Information
Patent Grant
2198619
References
Source
Patent Number
2,198,619
Date Filed
Not available
Date Issued
Tuesday, April 30, 1940
84 years ago
CPC
G01N7/02 - by absorption, adsorption, or combustion of components and measurement of the change in pressure or volume of the remainder
G01N31/007 - by measuring the quantity of water resulting therefrom
G01N33/241 - for hydrocarbon content
G01V9/007 - by detecting gases or particles representative of underground layers at or near the surface
US Classifications
436 - Chemistry: analytical and immunological testing
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