US2434574A
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Heating system
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US2434575A
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Heating system
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US2464703A
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Heating system
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US2444680A
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Terminal switch with thermostatic safety release
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US2321085A
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Method for producing drawn cups with faced and beveled edges
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US2268737A
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Heat control system and means
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US2314863A
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Safety appliance for electrically heated apparatus
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US2281848A
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Safety appliance for electrically heated apparatus
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US2256732A
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Thermostatic regulator
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US2116669A
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Oven construction
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US2154724A
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Range construction
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US2174079A
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Heating device
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US2177173A
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Electric heater
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US2010958A
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Electric heater terminal construction
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US1975658A
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Heating element assembly
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US1975970A
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Conical electric burner
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US1881885A
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Chromium plating process
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US1940461A
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Oven
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US1884141A
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Method of brazing
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US1911383A
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Heating element
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