DK19824C
(en)
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Procedure for Simultaneous Extraction of Nitrogen and Nitrogen Filter.
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DK19858C
(en)
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Explosives and Procedures for the Manufacture of the same.
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DK30922C
(en)
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Procedure for the Extraction of Hydrocarbons and Their Derivatives.
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DK19701C
(en)
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Procedure for Pre-Treatment of Seeds and Seeds.
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DK20520C
(en)
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Device for preventing untimely opening of matchboxes and the like.
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DK20648C
(en)
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Procedure for Treatment of Paptage.
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DK37166C
(en)
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Procedure for Simultaneous Extraction of Phosphoric Acid and Valuable Generator Gas.
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DK21232C
(en)
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Procedure for the Preparation of Oxygen and Nitrogen Compounds.
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DK19717C
(en)
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Procedure for Binding Nitrogen Using Ferroaluminum.
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DK20786C
(en)
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Procedure and Apparatus for the Treatment of Hydrocarbons.
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DK22316C
(en)
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Method and Apparatus for Manufacturing Nitrogen Carbide Nitrogen Compounds.
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DK19823C
(en)
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Building for Storage and Sorting of Potatoes.
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DK20584C
(en)
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Method and Apparatus for the Production of Lead Oxide.
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DK14961C
(en)
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Formstones for Recuperators and Methods for Construction of Such.
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DK23034C
(en)
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Procedure and Plant for the Manufacture of Decolorizing Coal.
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DK14292C
(en)
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Porous Filter Stone with Internal Channels for Water Extraction and Other Purposes.
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DK24618C
(en)
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Procedure for the preparation of an extract of amido compounds and sugars and for the preparation of beverages of such an extract.
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DK26259C
(en)
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Procedure for the Preparation of Nitrogen Filters of Mixtures of Nitrogen and Oxygen.
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DK24661C
(en)
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Procedure for sulphatisation of ores and the like.
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DK23983C
(en)
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Procedure for the production of cement and for the extraction of potassium salts.
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DK24221C
(en)
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Procedure and Devices for Picking Peat.
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DK21637C
(en)
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Method and Apparatus for Manufacturing Oil Gas.
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DK18943C
(en)
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Method of Manufacture of Leather and Leather Products.
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DK20077C
(en)
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Method and Apparatus for the Production of Nitric Acid.
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DK23351C
(en)
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Device for Preventing Freezing of Gases.
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