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1900379
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Information
Patent Grant
1900379
References
Source
Patent Number
1,900,379
Date Filed
Not available
Date Issued
Tuesday, March 7, 1933
91 years ago
CPC
F22B37/428 - Feed-water supply alarm devices using dilatation of solids or liquids
Y10T137/3143 - With liquid level responsive gas vent or whistle
Y10T137/8342 - Liquid level responsive indicator, recorder or alarm
US Classifications
251 - Valves and valve actuation
122 - Liquid heaters and vaporizers
137 - Fluid handling
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