Norm
[AKTUELL]
OENORM EN 300523 V 4.11.1
OENORM EN 300523 V 4.11.1
Digital cellular telecommunications system (Phase 2) - Numbering, addressing and identification (GSM 03.03 version 4.11.1)
Titel (englisch)
Digital cellular telecommunications system (Phase 2) - Numbering, addressing and identification (GSM 03.03 version 4.11.1)