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2179120
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Information
Patent Grant
2179120
References
Source
Patent Number
2,179,120
Date Filed
Not available
Date Issued
Tuesday, November 7, 1939
84 years ago
CPC
F24H9/2035 - for heaters using fluid combustibles
F24H9/2057 - for heaters using solid combustibles
Y10T137/1963 - Temperature
Y10T137/87161 - With common valve operator
US Classifications
126 - Stoves and furnaces
137 - Fluid handling
236 - Automatic temperature and humidity regulation
251 - Valves and valve actuation
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