
Protective and semi-optical glass. Protective glass filters. Common technical reguirements and test methods
NORM herausgegeben am 1.2.1991
    
        Designation standards: STN 707101
                Classification mark:  707101
                
                Catalog number:  68005
                
                
               
                Publication date standards:  1.2.1991
        The number of pages: 20
Approximate weight : 60 g (0.13 lbs)
        Country:          Slovak technical standard
        Kategorie: Technische Normen STN