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DK6466C
(en)
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Device with electric arc lamps with downward directed carbon.
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DK7100C
(en)
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Arc lamp with converging, downward directed carbon.
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ES33667A1
(en)
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Improvements in electric arc lamps.
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GB190402715A
(en)
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Improvements in Electric Arc Lamps.
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AT23210B
(en)
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Arc lamp.
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AT23514B
(en)
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Arc lamp.
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DK6531C
(en)
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Device by Spotlights.
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DK6724C
(en)
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Apparatus for electric Lighting.
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AT23617B
(en)
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Power supply device for arc lamps.
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DK9214C
(en)
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Device by Arc lamps with converging, downward-facing Coal.
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DK7120C
(en)
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Device for electric incandescent lamps with long metallic incandescent wires.
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ES34074A1
(en)
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Improvements introduced in acetylene lamps.
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DK6188C
(en)
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Clamping device for holding the upper carbon in arc lamps.
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DK6769C
(en)
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Device by Gas lamps.
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FR326889A
(en)
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"the photophorogen", acetylene lamp for lighters
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ES34307A1
(en)
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Improvements in transmitters for electric railways.
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ES35374A1
(en)
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Improvements in electric arc lamps.
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CH30934A
(en)
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Electric arc lamp
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CH33278A
(en)
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Installation on arc lamps with convergent, downward-pointing electrodes for magnetic influence on the arc
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DK7391C
(en)
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Electric Arc Lamp.
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ES33562A1
(en)
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Improvements in electric arc furnaces.
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CA87713A
(en)
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Sorting device for electric lamp glowers
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ES34000A1
(en)
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A short system for incandescent electric lamps.
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CH34543A
(en)
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Device on AC arc lamps for magnetic influence on the arc
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DK7044C
(en)
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Device for Incandescent burners.
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