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DK5214C
(en)
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Device for ovens for heating air.
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DK4827C
(en)
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Fluid for Carburization of Air.
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DK4540C
(en)
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Device by Tile Stoves.
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DK4559C
(en)
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Device for Incandescent burners.
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DK7140C
(en)
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Procedure for the production of nitric acid from air.
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DK7924C
(en)
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Device for the production of air gas from liquid hydrocarbons, spirits and the like by cold means.
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DK6389C
(en)
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Device for Appliances for Gas Production.
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DK5327C
(en)
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Procedure for Manufacturing the Dipent.
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DK6136C
(en)
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Apparatus for cooling air.
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DK4959C
(en)
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Procedure for Supplying Air to Heat Sitters and Control Device for Performing the Same.
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DK4650C
(en)
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Device at the Cement Chimneys.
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DK5226C
(en)
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Device for Gas Incandescent Burners.
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DK4841C
(en)
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Device by Lamps.
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FR320527A
(en)
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Heating or refrigeration pipes
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DK5206C
(en)
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Gas Production Procedure.
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DK5072C
(en)
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Device by Ovens.
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FR341208A
(en)
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Refrigeration plant
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DK5106C
(en)
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Cementtage device.
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DK4762C
(en)
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Device at Cyklelaase.
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DK5296C
(en)
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Device at Møllesten.
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DK4489C
(en)
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Device at Gas Retorts.
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FR3922E
(en)
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Electro-thermal fan
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DK5041C
(en)
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Cooling device.
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DK4763C
(en)
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Device at Lighthouses for Strøfyring.
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DK4700C
(en)
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Cooling and Heating Device for Dispensers.
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