ITU-T F.69-1989
Plan for Telex Destination Codes - Telegraph and Mobile Services Operations and Quality of Service (Study Group I) 7 pp
Start
ITU-T F.69-1989
Standard-Nr.
ITU-T F.69-1989
Erscheinungsdatum
1989
Organisation
ITU-T - International Telecommunication Union/ITU Telcommunication Sector
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