DIFF Subgroup
G02C 7/04 Contact lenses for the eyes (disinfection or sterilisation of contact lenses A61L12/00)
Introduced: September 1968
Title
Titles differ between systems:
IPC: Contact lenses for the eyes
CPC: Contact lenses for the eyes (disinfection or sterilisation of contact lenses A61L12/00)
Full Title
Full titles differ between systems:
IPC:
Optical parts > Lenses; Lens systems > Contact lenses for the eyes
CPC:
Optical parts (characterised by the material G02B1/00) > Lenses; Lens systems > Contact lenses for the eyes (disinfection or sterilisation of contact lenses A61L12/00)
Of 5 combined children, 0 exist in both systems.
5 codes are CPC-only extensions.
Child Classifications
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