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Temperature responsive device
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Electric switch of the mercury type
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Voltage regulating relay
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Control means for electrical distribution
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Fuel burner interlocking safety control
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Heat responsive actuating device
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Electric refrigeration and defroster controller
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Multiple circuit control apparatus
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Multiple contact switch structure
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Mercury switch contact structure
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Electrical switch structure
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Barometer
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Sealed electric motor and transmission
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Electric switch
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Thermally operated electric switch
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Pressure operated switch
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Valve construction
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Means for and method of conditioning refrigerating systems
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Valve construction
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Electric switch mechanism
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