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PCE
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DIFF Subgroup
G01C 11/12

the pictures being supported in the same relative position as when they were taken

Introduced: September 1968

Full Title

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

IPC and CPC are identically structured here. All 4 subcodes exist in both systems.

3 shared codes have differing titles between IPC and CPC.

Child Classifications

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  • G01C 11/22 with mechanical projection (G01C11/26 takes precedence) IPC+CPC Available in IPC and CPC
  • G01C 11/24 with optical-mechanical projection (G01C11/26 takes precedence) IPC+CPC Available in IPC and CPC
  • G01C 11/26 using computers to control the position of the pictures IPC+CPC Available in IPC and CPC