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2741921
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Information
Patent Grant
2741921
References
Source
Patent Number
2,741,921
Date Filed
Not available
Date Issued
Tuesday, April 17, 1956
68 years ago
CPC
G01L7/20 - involving a closed chamber above the liquid level, the chamber being exhausted or housing low-pressure gas liquid barometers
G01L9/02 - by making use of variation in ohmic resistance, e.g. of potentiometers
US Classifications
073 - Measuring and testing
374 - Thermal measuring and testing
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