KR102133278B1
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Method for Crushing Hard Tungsten Carbide Scraps, Method for Recovering Copper, and Method for Recovering Tungsten and Cobalt
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KR102134800B1
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Method of manufacturing reconstituted tobacco leaves
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KR102134814B1
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Enhancing grade of pyrophyllite
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KR102135026B1
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Time-specific simulation method for surface water stream
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KR102137441B1
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Unmanned aerial vehicle for surveying rock in the surface
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KR20200091605A
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Selectively leaching method of copper from chalcopyrite
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KR101802310B1
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Groundwater sampling system with improved replacement ratio
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KR101793216B1
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Method for displaying pollutant concentration in ground water due to tidal fluctuation in coastal area
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KR101780462B1
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Centralizer having variable bow
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KR101775653B1
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sampling apparatus for sea sediment
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KR101790967B1
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Method of manufacturing TiC-ZrC-Ni cermet with suppressed particle growth by ZrC addition
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KR101813233B1
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Selective recovery method for valuable metal from spent SCR catalyst using alkali fusion
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KR101780473B1
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Recovering method of valuable metal from used denitration catalyst, manufacturing method of ferroalloy and ferroalloy manufactured thereby
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KR101779348B1
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Recovering method of valuable metal from used denitration catalyst, manufacturing method of aluminum alloy and aluminum alloy manufactured thereby
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KR101796682B1
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Portable rock natural magnetic remanence polarity measuring device
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KR101779347B1
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Recovering method of concentrated precious metal by using boron compounds and manufacturing method of slag for cement
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KR101811858B1
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Method to estimate maximum allowable pressure in subsurface fluid storage site
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KR101774846B1
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Recovery method of tungsten from low garde scheelite
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KR101758364B1
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Cross over gpr antenna array apparatus based on broadside configuration
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KR101787660B1
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Drones For Soil Sample Collection Device
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