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DK4251C
(en)
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Device by Conductors for electric incandescent lamps.
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DK3917C
(en)
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Device for electric arc lamps.
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DK4024C
(en)
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Devices for electric light bulbs.
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DK4136C
(en)
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Devices for electric arc lamps.
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DK4137C
(en)
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Device for self-igniters for gas incandescent lamps.
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DK3638C
(en)
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Spring base for electric incandescent lamps.
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ES28548A3
(en)
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An electric incandescent lighting procedure.
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DK4390C
(en)
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Device at Branch Boxes for Electrical Wires.
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DK3767C
(en)
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Electric Bulb.
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DK4031C
(en)
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Electric Bulb.
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DK4254C
(en)
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Device by Lamps.
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CH24380A
(en)
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Chandelier-reflector for incandescent electric lamps
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DK4350C
(en)
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Electric Arc Lamp for Light Therapy.
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DK3693C
(en)
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Method for Manufacturing Electrically Conductive Lighting Fixtures.
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CH24493A
(en)
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Electric light bulb
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DK4017C
(en)
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Devices for Blinds for Indicator lamps.
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CH23880A
(en)
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Plug contact for hands-free electrical lighting apparatus
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FR330251A
(en)
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Support for electric lamps
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CH25682A
(en)
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Electric arc lamp
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CA87435A
(en)
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Cut-out for electric lamps
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DK3727C
(en)
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Procedure for the manufacture of filaments for electric lamps.
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ES28214A3
(en)
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Improvements in electric incandescent lamps.
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DK7120C
(en)
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Device for electric incandescent lamps with long metallic incandescent wires.
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DK2228C
(en)
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Device for electric arc lamps.
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ES28202A1
(en)
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An electrical current limiting device.
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