CPC Subgroup Additional Only
G02C 2202/04 Lenses comprising decentered structures
Full Title
Generic optical aspects applicable to one or more of the subgroups of G02C7/00 > Lenses comprising decentered structures
G02C 2202/04 Generic optical aspects applicable to one or more of the subgroups of G02C7/00 > Lenses comprising decentered structures