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1819987
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Information
Patent Grant
1819987
References
Source
Patent Number
1,819,987
Date Filed
Not available
Date Issued
Tuesday, August 18, 1931
92 years ago
CPC
G01N25/62 - by psychrometric means
G01K5/323 - Selection of fluid compositions
US Classifications
236 - Automatic temperature and humidity regulation
073 - Measuring and testing
374 - Thermal measuring and testing
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