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CS799988A1
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Device for impurities removal from waste waters
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CS672488A1
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Equipment for waste waters' aerobe biological purification
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CS605988A1
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Device for gas mixing with liquid
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CS330488A1
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Device for liquids purging
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CS964887A1
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Device for the purification of high-concentrated wastes
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CS427587A1
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Method of phosphorus removal from high-concentrated waste waters
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CS426187A1
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Method of sludge separation during concentrated waste waters' biological treatment and equipment for its realization
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CS265087A1
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Device for liquids gassing
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CS667486A1
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Collecting suction pipe
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CS579086A1
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Equipment for waste water treatment with increased nutrients removal
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CS249020B1
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Thermal balances improving connection in combination of thermophile aerobe sludge stabilization with successive anaerobe stabilization
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CS248758B1
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Connection for the improvement of the heat balances in thermo aerobic stabilisation
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CS247913B1
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High-concentrated wastes cleaning equipment
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CS246756B1
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Cleaning method of of high-concentrated wastes from animal production
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