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DK98095A
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Device for pumping liquid
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US5186611A
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Pump arrangement for pumping liquid by means of compressed air
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DK219990D0
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Waste cleaning device
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DK452589D0
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Milking system using air drainage in a down screwed channel
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DK365889D0
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Pump device for pumping fluid using air pressure
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DK244486D0
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Air power contact filter
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DK241186D0
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Screw pump
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DK592485D0
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flow measurement
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DK243385D0
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Procedure for manufacturing a contact filter
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DK238284D0
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Shunt basket for fish treatment during water recycling
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DK182984D0
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Contact filter to include pure ilt in water in connection with the fishing task
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DK8984D0
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Device for rinse and preparation of a surface surface with micro-organisms in a biological waste cleaning plant
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DK200283D0
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Device for rinse and preparation of a surface surface with micro-organisms in a biological waste cleaning plant
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WO8204037A1
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Water oxidation plant for waters,especially intended for fish ponds
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BE889065A
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Device for scanning and ventilating a covered surface of microorganisms in a biological purification plant for wastewater
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AU6056780A
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A device for flushing and aerating a surface coated with microorganismsin a plant for biological purification of wastewater
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DK267679A
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Contact filter for use in a plant for biological waste cleaning
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