首页>
外国专利>
METHOD OF MAKING A PERSPECTIVE DRAWING OF A GROUND AREA IMAGED IN AN AERIAL PHOTOGRAPH,IN PARTICULAR OF MINE EXCAVATIONS,AS VIEWED FROM ANY POINT OF A SPACE
METHOD OF MAKING A PERSPECTIVE DRAWING OF A GROUND AREA IMAGED IN AN AERIAL PHOTOGRAPH,IN PARTICULAR OF MINE EXCAVATIONS,AS VIEWED FROM ANY POINT OF A SPACE