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PCE
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DIFF Subgroup
G02B 13/16

for use in conjunction with image converters or intensifiers

Introduced: September 1968

Full Title

Full titles differ between systems:

IPC:

Optical objectives specially designed for the purposes specified below > for use in conjunction with image converters or intensifiers

CPC:

Optical objectives specially designed for the purposes specified below (with variable magnification G02B15/00) > for use in conjunction with image converters or intensifiers

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