DK14304C
(en)
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Method and Apparatus for Heating Water Using Electricity.
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DK16875C
(en)
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Procedure and Apparatus for Treating Hard Water.
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DK16645C
(en)
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Method and Apparatus for Steam Overheating.
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DK25862C
(en)
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Apparatus for electric water heating,
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DK24081C
(en)
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Method and Apparatus for Cleaning Steam Boiler Pipes.
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DK18304C
(en)
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Apparatus for Heating Water.
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DK27919C
(en)
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Electric Apparatus for Rapid Heating of Water.
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DK16817C
(en)
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Apparatus for heating irons and presses.
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DK24092C
(en)
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Method and Apparatus for Treating Coal.
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DK14822C
(en)
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Apparatus for Pressing the Water from Vadsketøj.
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DK14165C
(en)
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Method and Apparatus for Making Fermentable Sugar from Lignocellulose.
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DK17061C
(en)
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Method and Apparatus for Extraction of Coffee.
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DK13307C
(en)
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Method and Apparatus for Disinfection Using Hot Air Jets.
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DK28261C
(en)
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Method and Apparatus for Drying Steam.
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DK15499C
(en)
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Method and Apparatus for Making Sculptures.
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DK20923C
(en)
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Method and Apparatus for Making Salt Salt.
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DK19774C
(en)
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Apparatus for Starting and Stopping the Power Plant at Automatic Machines.
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DK21509C
(en)
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Apparatus for generating rapid electrical oscillations.
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DK28083C
(en)
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Method and Apparatus for the production of artificial fuels.
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DK17023C
(en)
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Apparatus for Drying and Heating Macadamization Material.
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DK14788C
(en)
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Method with associated device for electric welding and for carrying out repairs using such welding.
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DK31748C
(en)
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Method and Apparatus for Generating Alternating Currents.
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DK11816C
(en)
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Apparatus for Providing Water Circulation in Steam Boilers.
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DK14074C
(en)
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Method and apparatus for dewatering and evaporating liquids, in particular tar, petroleum and the like.
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DK27257C
(en)
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Method and Apparatus for Manufacturing Layered Artificial Fuels.
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