
Specification for filters for protection against intense sunglare (for general and industrial use).
NORM herausgegeben am 31.7.1961
Designation standards: BS 2724:1956
Note: UNGÜLTIG
Publication date standards: 31.7.1961
Approximate weight : 300 g (0.66 lbs)
Country: British technical standard
Kategorie: Technische Normen BS