
European digital cellular telecommunications system (Phase 2). Call Barring (CB) supplementary services - stage 1 (GSM 02.88)
NORM herausgegeben am 1.11.1995
    
        Designation standards: ČSN ETS 300520
                Classification mark:  872551
                
                Catalog number:  18565
                
                
               
                Publication date standards:  1.11.1995
        The number of pages: 2
Approximate weight : 6 g (0.01 lbs)
        Country:          Czech technical standard
        Kategorie: Technische Normen ČSN