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DK11504C
(en)
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Device for carbon holders for electric arc lamps.
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DK9016C
(en)
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Device at Charcoal tips for Arc lamps.
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DK14426C
(en)
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Device for electric arc lamps.
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DK11299C
(en)
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Charcoal holders for electric ovens.
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AT42541B
(en)
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Electric arc lamp.
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ES46133A3
(en)
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An electric arc lamp in mercury vapors.
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DK8278C
(en)
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Device by arc lamps.
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AT41229B
(en)
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Supply device for carbon pencils for electric arc lamps.
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ES43196A3
(en)
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An electric vapor lamp.
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DK14444C
(en)
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Device for coal savers for electric arc lamps.
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GB190601766A
(en)
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Electrode for Arc Lamps
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ES43437A1
(en)
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An electric arc lamp with parallel coals.
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DK10535C
(en)
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Device for electric melting furnaces.
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DK8391C
(en)
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Switch to the control device for shunt arc lamps.
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ES45450A2
(en)
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An electric arc lamp with parallel coals.
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DK13150C
(en)
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Device for Generating the Arc between Arc Lamps Electrodes.
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DK5825C
(en)
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Device for electric arc lamps.
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DK9153C
(en)
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Device by Arc lamps with enclosed arc.
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DK10246C
(en)
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Electric Arc Lamp.
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DK2223C
(en)
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Device for Relocating the Coal by Electric Arc Lamps.
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CH38864A
(en)
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Electric arc lamp
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DK17366C
(en)
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Device for electric arc lamps with several series-connected carbon pairs.
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GB190616162A
(en)
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Improvements in Electric Arc Lamps.
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GB190616668A
(en)
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Improvements in Electric Arc Lamps.
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CH46496A
(en)
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Electric arc lamp
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