US822486A
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Regenerative gas-furnace.
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US767840A
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Regenerative gas reheating-furnace.
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GB190305866A
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Improvements in Regenerative Gas Furnaces.
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GB190225057A
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Improvements in Regenerative Gas Reheating Furnaces.
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US760263A
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Regenerative gas-furnace.
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GB190200770A
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Improvements in Regenerative Gas Furnaces.
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GB189611433A
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Improvements in Regenerative Gas Furnaces.
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GB189411138A
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A Method of Protecting Iron, Steel, or other Metal from Oxidation during Heating.
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CA21536A
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Gas lamp
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CA12348A
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Improvements on lamps
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CA16032A
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Improvements in car-couplers
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