KR20210023245A
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Construction method for underground culvert
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KR102128527B1
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Bridge supporting apparatus with drain plate
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KR101571340B1
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Ford with multi-purpose
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KR101455186B1
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A waterproof plate for flooding prevention
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KR101487650B1
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Barge and boring excavation device separated marine boring system
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KR101467147B1
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Subway platform construction method using semi-rigid connection
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KR101462482B1
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Stone mat construction method using flexible wire
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KR101462827B1
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Asphalt mat for friction increase and manufacturing method of the same
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KR101462481B1
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Stone mat with anchor and slope protection method using the same
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KR101391173B1
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Status board for position indicating of underground facilities in industrial complex
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KR101341171B1
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Apparatus for connecting underground device in industrial estate
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KR101325172B1
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Management system for industrial complex using renewable energy
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KR101333745B1
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Fence for a landscaping block in industrial estate
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KR101345361B1
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Smell prevention device of drain pipe in industrial estate
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KR101378659B1
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Asphalt using friction increase mat and manufacturing of the same
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KR101290999B1
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Gate structure for tidal power plant
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KR101290898B1
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Turbine structure and gate structure having flexible joint and inside stuffing for tidal power plant
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KR101290987B1
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Tidal power plant linked structure having fish way
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KR101290920B1
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Turbine structure for tidal power plant
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KR101312121B1
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Water gate separation device and method for maintance of hydrologic structure
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