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KR101485093B1
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Geodetic Survey System
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KR101463020B1
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Topography modification system by the confirmation for the reference point`s location and geospatial data
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KR101463023B1
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Drawing video system with this method, the image space by updating to a new version gis-based
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KR101485089B1
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Global positioning map making system being the coordinating synthesize type
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KR101485095B1
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Increased based on the gis digital map accuracy calibration system
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KR101479604B1
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Survey Equipment For the Precise Cadastral Survey
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KR101479600B1
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Equipment For the Precise Cadastral Survey
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KR101223126B1
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Precision digital map making system
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KR101223125B1
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Altitude data update system
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KR101223128B1
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High precision plotting instrument having improved stability
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KR101223124B1
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Leveling survey system
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KR101113276B1
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Drawing system for map image in GIS
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KR101113270B1
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Real time update system reflecting the topography change by disaster
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KR101113277B1
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Drawing system for map image expressing the alteration of water level in river
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KR101000039B1
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Manufacturing method and system of disaster information map
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