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Apparatus for fixing digital staff of geodetic surveying instrument
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Tripod fixing apparatus for geodetic surveying instrument
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Apparatus for adjusting height of tripod in geodetic surveying instrument
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Three-dimensional measuring device of blocks
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Pole for surveying
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Topographical survey apparatus using boundary block of road
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System for determining the contour of a road surface
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Digital map making method
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Coordinates map renewal system for topography information
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An air photograph renewal system reflecting change of geographic feature
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Image editing system with increasing understanding of aerial images
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Geodetic and surveying system
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