DIFF Subgroup
G02B 13/14 for use with infrared or ultraviolet radiation ( G02B13/16 take precedence)
Introduced: September 1968
Title
Titles differ between systems:
IPC: for use with infrared or ultraviolet radiation
CPC: for use with infrared or ultraviolet radiation ( G02B13/16 take precedence)
Full Title
Full titles differ between systems:
IPC:
Optical objectives specially designed for the purposes specified below > for use with infrared or ultraviolet radiation
CPC:
Optical objectives specially designed for the purposes specified below (with variable magnification G02B15/00) > for use with infrared or ultraviolet radiation ( G02B13/16 take precedence)
Of 2 combined children, 0 exist in both systems.
2 codes are CPC-only extensions.
Child Classifications
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