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DK4780C
(en)
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Device for the manufacture of clean arc lights between fixed conductors.
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DK5980C
(en)
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Device for Launching an Arc Lamp by the Circuit.
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DK6006C
(en)
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Device for Adjusting Arc Lamps.
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DK18758C
(en)
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Device for lighting lamps.
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DK4562C
(en)
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Electric Arc Lamp.
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DK4029C
(en)
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Device for Fastening Incandescent lamps.
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DK33595C
(en)
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Device for amplifying electrical alternating currents.
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ES31388A1
(en)
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An arc lamp system.
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FR322949A
(en)
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Advanced connection for electric lamps
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CH68512A
(en)
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Quick pointing device
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DK6642C
(en)
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Device for the production of oscillating electric currents.
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AT23200B
(en)
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Electric soldering process.
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DK5327C
(en)
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Procedure for Manufacturing the Dipent.
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DK14586C
(en)
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Cable connection for Arc lamps.
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DK19610C
(en)
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Device for Amplification of Electrical Variations.
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FR323085A
(en)
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Chimney-reflector for lamps
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DK4671C
(en)
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Lighthouse.
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DK4991C
(en)
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Lighthouse.
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DK5031C
(en)
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Lighthouse.
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CH67973A
(en)
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Lighting apparatus
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DK8627C
(en)
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Control device for arc lamps.
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ES41323A1
(en)
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Arc lamp improvements.
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DK3727C
(en)
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Procedure for the manufacture of filaments for electric lamps.
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DK4841C
(en)
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Device by Lamps.
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DK13150C
(en)
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Device for Generating the Arc between Arc Lamps Electrodes.
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