|
US2759472A
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Overhead fuel burning heaters
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Fuel burning space heater
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Fluid fuel burning space heater
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Metal screen
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Overhead gas-fired radiator and reflector
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Radiant mantle
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Radiant mantle
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Sectional steam boiler
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Flue
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Burner for hydrocarbon gases
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Burner for hydrocarbon gases
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Electric water heater
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Solar-heat-collecting apparatus
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