WO2005028380A1
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Activated sludge process and apparatus with high biomass concentration using a downflow sludge blanket filtration
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KR20040039164A
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Pier coping pre-assembly method
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KR20040101806A
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Method and apparatus for removing the dust by using dielectric barrier discharge
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KR20040094998A
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Fe-K/alumina based catalyst and preparation of alpha-olefin from carbon dioxide using same
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KR20040084026A
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Reaction system for wastewater treatment
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KR20040084025A
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Photocatalytic reactor for wastewater treatment
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KR20030036374A
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Welding history manage method of piping spool by bar-code
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KR20040000289A
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Construction member for covering hollowness of a pier and construction method thereof
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KR20040005086A
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Excess biomass removal method within biofilter using sonification
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KR20040000893A
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Platinized tio2 photocatalyst and method for photocatalytic oxidation of co using same
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KR20040000549A
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Moveable Vehicle for Disposition of form in Cantilever of Bridge Deck
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KR20020059322A
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New Deck Charge method for minimizing the overbreak in tunnel blasting
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KR20030093802A
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Rapid-turbulence-type wastewater treatment equipment
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KR20030049291A
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A shell-and-tube type reactor for photocatalysis
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KR20030042159A
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A Method of Construction for Sewer Repair
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KR20030032612A
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A method for photocatalysis of a volatile organic compound and a method for regenerating a deactivated photocatalyst
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KR20020076887A
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Method and device for treatment of contamination sediment
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KR20020005156A
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The sea floor base concrete construction and method of building the same
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KR20020005157A
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Bridge construction apparatus
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KR20020001283A
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Floor heating construction with steel fiber mortar
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