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1476422
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Patent Grant
1476422
References
Source
Patent Number
1,476,422
Date Filed
Not available
Date Issued
Tuesday, December 4, 1923
101 years ago
CPC
F22B37/428 - Feed-water supply alarm devices using dilatation of solids or liquids
US Classifications
236 - Automatic temperature and humidity regulation
122 - Liquid heaters and vaporizers
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