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KR101220268B1
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System of measuring with gps for underground map
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KR101220270B1
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Unity management system of measured mapping data with collecting by total station
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KR101220269B1
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System of accuracy measuring with gps for underground map
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KR101220264B1
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System of updating data in numerical map with immediately correcting error
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KR101220266B1
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Image composition system for numerical map with aerial image
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KR101220263B1
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System of partial modifying in numerical map with information gps and ins
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KR101220262B1
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System of real-time updating with greater accuracy of gps information for natural ground features
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KR101220265B1
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Map image modifying system for changed natural ground features with real-time updating
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KR101220267B1
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Map image drawing system for image updating with gis
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KR100953737B1
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System for drawing manhole using image matching
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KR100935857B1
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System for generating 3d forest geographical information data using aerial lidar data and digital aerial photo data and method therefor
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KR100943451B1
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System for manufacturing ortho image using tiff format of dem-tiff and method therefor
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