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CS568990A3
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Continuous filter
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CS220690A2
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Method of thickener's preparation for diatomite's separation suspension forming in heavy suspension separators
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CS124490A2
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Method of waste water treatment during metallic molybden winning from waste sludge
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CS528886A1
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Method of tungsten as ws3 separation from extracted low-grade scheelite or tungsten concentrate
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CS14786A1
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Sample channel for off-take of sample from withdrawen ore during minning search
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CS439585A1
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Placer pan enabling catching of heavy minerals with magnetical properties during placer mining
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CS248969B1
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Concentrating table for mineral raw materials' separation
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CS662383A1
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Extraction method of the zinc from sludges obtained during regeneration of the heavy liquid
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CS249908B1
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Method of mercury extraction from sludges
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SK278168B6
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Insert bearing pad of laboratory stand-tripod
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CS193245B1
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Method of refining the expanded perlite
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CS198460B1
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Method of decreasement of flocculation effect of flocculation material having ammoniacal character in return watwer
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CS187691B1
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Treatment of thickened and septicizated sewage sludge for improving manipulation and storage property thereof
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