BS 2738-4:1992

Spectacle lenses. Specification for single-vision and multifocal semi-finished lens blanks.

STANDARD published on 15.9.1992

English -
electronic design (pdf) (296.10 USD)

The information about the standard:

Designation standards: BS 2738-4:1992
Note: WITHDRAWN
Publication date standards: 15.9.1992
The number of pages: 12
Approximate weight : 36 g (0.08 lbs)
Country: British technical standard
Category: Technical standards BS