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KR100674265B1
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Mounting structure for vegetation belt
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KR100657182B1
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River sand carrying away protecting facility
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KR100660015B1
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Netron mounting structure for preventing underwaterdigging of river bottom
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KR100739844B1
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Floating matters remove facilite of small river
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KR100674354B1
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Dike structure for overflowing protection
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KR100674266B1
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Vegetation mat with equipment structure
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KR100657183B1
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Vegetation block with equipment structure
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KR100723256B1
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Mounting structure for vegetation belt
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KR100680156B1
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Sediment remove facility for river bottom
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KR100671974B1
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The pier collapse prevention infrastructure
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KR100662859B1
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The instrumentation apparatus for the measure sinkingvalue fo the soft ground
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KR100558153B1
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Median strip
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KR100548990B1
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Sewer drainage canal washing equipment
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KR100587647B1
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The water supply pipe resisting corrosion
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KR100584659B1
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The roller type protection structure of a waterworks pipe
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KR100553137B1
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Sewage purification quiet sludge cleaning equipment
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KR100577850B1
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Equipmen structure for bridge pier coping
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KR100555146B1
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Pier displacement mesure apparatus for bridge
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KR100558155B1
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Breaking prevention structure of well box basis for bridge
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KR100590413B1
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Construction type manhole for water supply
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