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A digital map system capable of self-correction of terrain changes
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Digital map accuracy enhancement system using field survey data
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A digital map update system that records 3D location information along a reference point applied to underground facilities
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KR101850546B1
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Imaging system for photograping 3-D image used in image drawing
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KR101846519B1
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Compensation System for Spatial Image Dissipation of Setting the base point of the feature
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Image Space Mapping System with Geographic Information Change
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Digital map data management system
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The ground state determination system for reference point using gps
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KR101224076B1
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Control point instrumentation system
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KR101062410B1
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Producing system for the numerical map based on gis
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KR101062403B1
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Editing system for the numerical map
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KR101062415B1
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Search system editing the numerical map
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