BS 2738-4:1992

Заменен

Spectacle lenses, Specification for single-vision and multifocal semi-finished lens blanks — 12 стр.

Заменен на

BS EN ISO 10322-1:1997

ICS

11.040.70 Ophthalmic. Including ophthalmic implants, glasses, contact lenses and their cleaning products / Офтальмологическое оборудование