(1) - Chemical coatings for ophthalmic lenses; preparations for preventing the tarnishing of lenses
(2) - Chemical coatings for ophthalmic lenses; preparations for preventing the tarnishing of lenses
(3) - Optical glass grinding
(4) - Optical laboratories
(5) - Anti-reflective coatings for ophthalmic lenses; anti-reflective optical coatings
(6) - Anti-reflective coatings for ophthalmic lenses; anti-reflective optical coatings
(7) - Ophthalmic preparations
(8) - Anti-reflective lenses; blank optical discs; camera lenses; contact lenses; digital photo-optical systems; eyeglass lenses; lens filters for cameras; lens shutters; lens-barrels; lenses for astrophotography; lenses for microscopes; lenses for sunglasses; lenses for telescopes; magnifying lenses; ophthalmic eyeglasses; optical frames; optical glass; optical lenses; optical spectacles; spectacle lenses; sunglass lenses
(9) - Intra-ocular lenses; intraocular lenses; intraocular prosthesis lenses for surgical implantation; intraocular prosthetic lenses for surgical implantation
(10) - Ophthalmic preparations
(11) - Anti-reflective lenses; blank optical discs; camera lenses; contact lenses; digital photo-optical systems; eyeglass lenses; lens filters for cameras; lens shutters; lens-barrels; lenses for astrophotography; lenses for microscopes; lenses for sunglasses; lenses for telescopes; magnifying lenses; ophthalmic eyeglasses; optical frames; optical glass; optical lenses; optical spectacles; spectacle lenses; sunglass lenses
(12) - Intra-ocular lenses; intraocular lenses; intraocular prosthesis lenses for surgical implantation; intraocular prosthetic lenses for surgical implantation
(13) - Optical glass grinding
(14) - Optical laboratories
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