DK18003C
(en)
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Procedure for Simultaneous Extraction of Nitrogen and Nitrogen Filter.
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DK20389C
(en)
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Procedure for Extraction of Valuable Products of Sewage Dune and the Like.
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DK14961C
(en)
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Formstones for Recuperators and Methods for Construction of Such.
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DK19858C
(en)
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Explosives and Procedures for the Manufacture of the same.
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DK14389C
(en)
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Method for Manufacturing Nitrogen Filter.
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DK21232C
(en)
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Procedure for the Preparation of Oxygen and Nitrogen Compounds.
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DK23034C
(en)
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Procedure and Plant for the Manufacture of Decolorizing Coal.
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DK24221C
(en)
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Procedure and Devices for Picking Peat.
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DK17545C
(en)
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Procedure for assembling rails and the like.
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DK20731C
(en)
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Procedure for tanning and at the same time pre-cleaning of the tanning substance.
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DK16390C
(en)
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Method for Making Matchboxes and the Like.
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DK18169C
(en)
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Procedure for the Synthetic Production of Tartaric Acid and Tartrates.
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DK13776C
(en)
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Procedure for Ensuring the Synchronous Walking of Cinematographers and Phonographers Simultaneously.
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DK18822C
(en)
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Procedure for the production of nitro compounds from mixtures of petroleum and tar.
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DK15320C
(en)
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Method of Making Jewelry.
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DK17226C
(en)
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Procedure for purifying gas and for the simultaneous recovery of by-products.
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DK14660C
(en)
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Procedure and Device for the Production of Liquid Oxygen.
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DK15497C
(en)
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Procedure for Regulating Gyrostats and Related Devices.
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DK14152C
(en)
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Procedure for the Extraction of Alcohol and Potatoes.
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DK20520C
(en)
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Device for preventing untimely opening of matchboxes and the like.
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DK26004C
(en)
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Briquette and Procedure for Manufacturing the Same.
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DK26007C
(en)
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Briquette and Procedure for Manufacturing the Same.
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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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DK17061C
(en)
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Method and Apparatus for Extraction of Coffee.
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DK14048C
(en)
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Procedure for the manufacture of low-nicotine and light tobacco.
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