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PCE
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DIFF Subgroup
G01C 11/20

in separate planes

Introduced: September 1968

Full Title

Full titles differ between systems:

IPC:

Photogrammetry or videogrammetry, e.g. stereogrammetry; Photographic surveying > Interpretation of pictures > by comparison of two or more pictures of the same area > the pictures being supported in the same relative position as when they were taken > with optical projection > in separate planes

CPC:

Photogrammetry or videogrammetry, e.g. stereogrammetry; Photographic surveying > Interpretation of pictures > by comparison of two or more pictures of the same area > the pictures being supported in the same relative position as when they were taken > with optical projection (G01C11/26 takes precedence) > in separate planes

No child classifications to compare. This is a leaf node in both IPC and CPC.