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DK15647C
(en)
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Oven for Treating Gases with an Electric Arc.
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DK15718C
(en)
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Oven for Treating Gases with an Electric Arc.
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ES53486A1
(en)
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An electric retort furnace.
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DK18627C
(en)
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Gas oven.
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DK18987C
(en)
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Gas oven.
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ES57547A1
(en)
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Electric oven.
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ES46187A1
(en)
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A furnace for treating gases with the electric arc of flames.
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DK28945C
(en)
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Electric Oven with associated Circuit for Binding of Nitrogen.
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ES52649A1
(en)
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An electric oven.
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DK18448C
(en)
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Device for gas hobs.
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ES53233A1
(en)
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Induction oven.
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DK27429C
(en)
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Procedure and Oven Space for Generating Electric Arcs.
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DK28332C
(en)
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Coke oven.
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ES49881A1
(en)
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A furnace for the electrical treatment of gases.
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DK16642C
(en)
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Procedure for Generating Constantly Burning Electric Discharges in Gases.
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ES58858A3
(en)
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An electrode for electric furnaces.
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CH69479A
(en)
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oven
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DK15482C
(en)
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Device for gas hobs.
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DK18655C
(en)
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Burner, mainly for gas bath ovens.
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AT75615B
(en)
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Circuit arrangement for operating electric ovens.
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FR470227A
(en)
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Smoking furnace
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DK18983C
(en)
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Gas Production Furnace.
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DK19028C
(en)
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Device for gas burners.
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DK18896C
(en)
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Oven.
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DK18949C
(en)
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Oven.
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