DIFF Subgroup
G02B 5/04 Prisms
Introduced: September 1968
Full Title
Full titles differ between systems:
IPC:
Optical elements other than lenses > Prisms
CPC:
Optical elements other than lenses (light guides G02B6/00; optical logic elements G02F3/00) > Prisms
Of 2 combined children, 1 exist in both systems.
1 codes are CPC-only extensions.
Child Classifications
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