Personal eye-protection - Infrared filters - Transmittance requirements and recommended use
NORM herausgegeben am 1.10.2002
Designation standards: ČSN EN 171
Classification mark: 832433
Catalog number: 65585
Note: UNGÜLTIG
Publication date standards: 1.10.2002
The number of pages: 16
Approximate weight : 48 g (0.11 lbs)
Country: Czech technical standard
Kategorie: Technische Normen ČSN