
Digital cellular telecommunications system (Phase 2) - Call Barring (CB) supplementary services - Stage 1:
NORM herausgegeben am 1.5.1997
    
        Designation standards: ČSN ETS 300520-ed.2
                Classification mark:  872551
                
                Catalog number:  22030
                
                
               
                Publication date standards:  1.5.1997
        The number of pages: 2
Approximate weight : 6 g (0.01 lbs)
        Country:          Czech technical standard
        Kategorie: Technische Normen ČSN