DIFF Subgroup
G02B 13/08 Anamorphotic objectives
Introduced: September 1968
Full Title
Full titles differ between systems:
IPC:
Optical objectives specially designed for the purposes specified below > Anamorphotic objectives
CPC:
Optical objectives specially designed for the purposes specified below (with variable magnification G02B15/00) > Anamorphotic objectives
IPC and CPC are identically structured here. All 2 subcodes exist in both systems.
1 shared codes have differing titles between IPC and CPC.
Child Classifications
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