Technical rule
[CURRENT]
Article is not orderable
ITU-T Q.722:1988-11
General function of telephone messages and signals
- German title
- Allgemeine Funktion von Fernsprechnachrichten und -zeichen
- Publication date
-
1988-11
- Original language
-
English
- Pages
- 12
- Publication date
-
1988-11
- Original language
-
English
- Pages
- 12
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