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2166481
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Information
Patent Grant
2166481
References
Source
Patent Number
2,166,481
Date Filed
Not available
Date Issued
Tuesday, July 18, 1939
85 years ago
CPC
G01N27/048 - for determining moisture content of the material
E05F1/004 - by thermostats, rain, wind or noise
US Classifications
200 - Electricity: circuit makers and breakers
049 - Movable or removable closures
454 - Ventilation
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