
Glossary of terms relating to ophthalmic lenses and spectacle frames. Glossary relating to ophthalmic lenses. Glossary relating to spectacle frames..
NORMA vydaná dňa 1.3.1972
Designation standards: BS 3521:PARTS1&2:1962
Note: NEPLATNÁ
Publication date standards: 1.3.1972
The number of pages: 75
Approximate weight : 225 g (0.50 lbs)
Country: British technical standard
Kategória: Technické normy BS