BS 2738-4:1992

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

NORMA vydaná dňa 15.9.1992

Anglicky -
Elektronické PDF (261.10 EUR)

The information about the standard:

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