CPC Subgroup
G01C 11/32 Radial triangulation
Full Title
Photogrammetry or videogrammetry, e.g. stereogrammetry; Photographic surveying > Interpretation of pictures > by triangulation > Radial triangulation
G01C 11/32 Photogrammetry or videogrammetry, e.g. stereogrammetry; Photographic surveying > Interpretation of pictures > by triangulation > Radial triangulation