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DK9405C
(en)
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Holder of Coal for Metallic Light Bodies by Electric Light Bulbs.
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DK8780C
(en)
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Method for Manufacturing Light Bodies for Electric Light Bulbs.
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DK10205C
(en)
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Procedure for Manufacturing Lighting Gas.
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DK7077C
(en)
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Procedure for Manufacturing Lighting Gas.
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DK9930C
(en)
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Device by Candlesticks.
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CH41173A
(en)
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Candle holder
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DK9372C
(en)
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Process for the Extraction of Cyan - Iron Compounds from Gas.
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FR389879A
(en)
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Lantern holder
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DK6389C
(en)
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Device for Appliances for Gas Production.
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DK9026C
(en)
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Procedure for the production of mercury vapor lamps.
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DK9371C
(en)
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Procedure for the manufacture of metal filament for electric filament lamps.
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AT31983B
(en)
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Light moletting process.
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DK7044C
(en)
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Device for Incandescent burners.
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DK11065C
(en)
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Procedure for Manufacturing Lighting Gas.
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DK7298C
(en)
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Device for electric light bulbs.
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DK8166C
(en)
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Procedure for the Production of Oil Gas.
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DK8278C
(en)
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Device by arc lamps.
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DK4851C
(en)
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Candle holder.
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DK6705C
(en)
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Movable Window Holder.
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ES39787A1
(en)
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An inverted lighter for the production of incandescent light.
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CH42124A
(en)
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Automatic switch for gas lamps
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CH49493A
(en)
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Candle holder
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DK7264C
(en)
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Candle holder.
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DK9282C
(en)
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Procedure for the manufacture of filament light for electric filament lamps.
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DK6302C
(en)
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Procedure for Manufacturing Glass Bottles.
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