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PCE
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DIFF Subgroup
G02B 13/06

Panoramic objectives; So-called "sky lenses"

Introduced: September 1968

Full Title

Full titles differ between systems:

IPC:

Optical objectives specially designed for the purposes specified below > Panoramic objectives; So-called "sky lenses"

CPC:

Optical objectives specially designed for the purposes specified below (with variable magnification G02B15/00) > Panoramic objectives; So-called "sky lenses"

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