DK6326C
(en)
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Method and apparatus for separating oil and similar impurities from water.
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DK5058C
(en)
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Apparatus for the release of waste vapor from oil and water.
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DK5739C
(en)
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Method and Apparatus for the production of pure oil from fish and the like.
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DK6267C
(en)
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Apparatus for the extraction of fats from rinsing water and the like.
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DK6668C
(en)
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Method and Apparatus for Continuous Extraction of Ammonia from Urban Wastewater.
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DK4625C
(en)
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Method and Apparatus for the Extraction of Oxygen from the Air.
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DK6263C
(en)
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Method and Apparatus for Making Nitrogen Compounds.
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DK4318C
(en)
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Apparatus for Capturing Mercury.
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DK5786C
(en)
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Apparatus for extracting oil from fish waste and similar materials and for drying the remaining residue.
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DK8466C
(en)
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Method and Apparatus for Extraction of Sulfur and Cyanide Compounds in Purifying Gas from Lighting Gas.
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DK4277C
(en)
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Procedure and Apparatus for Treating Waste from Alcohol Factories.
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DK6881C
(en)
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Apparatus for Cleaning Sewage Wells.
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DK6896C
(en)
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Procedure and Apparatus for Washing Filter Mass.
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DK6255C
(en)
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Method and Apparatus for the manufacture of leather-like straps.
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DK6739C
(en)
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Method and Machine for Forming Peat Blocks.
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DK11587C
(en)
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Method for separating Metals and Metalloids from their natural and artificial compounds.
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DK4201C
(en)
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Method and Apparatus for Repairing Worn Stairs.
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AT27666B
(en)
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Electrolytic apparatus.
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DK1569C
(en)
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Procedure and Apparatus for the Extraction of Ammonia from Domestic Waste.
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DK8982C
(en)
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Method and apparatus for irrigating roads or the like by means of a mixture of oil and water or the like.
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DK4912C
(en)
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Apparatus for Purifying Food Water.
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DK3368C
(en)
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Method with associated apparatus for regulating bypass devices for shipwrecks and the like.
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CH28699A
(en)
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Apparatus for separating oil from oily water
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DK4580C
(en)
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Apparatus for the production of oil and gelatine from fish and the like.
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DK5774C
(en)
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Apparatus for Purifying and Serving Butter.
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