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Water intake for mountain rivers
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Settling tank
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Arrangement for connecting waterways
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Device for deep cleaning of sewage
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Device for treatment sewage sediments
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Concrete mix
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Concrete mix
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Process for purification of effluents from oil products
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Device for draining of industrial sites
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Suppressor of energy of water flow
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Floating water intake
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Method of treating sediment
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Method of restoring members of inverse osmotic desalination plants
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Process for sewage treatment
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Thin-layer settling tank
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Installation for treating waste water
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Method of purifying chromium-containing waste water
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Thin-film settling tank
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Joint of open water ducts
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Method of flotation treatment of waste water
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