Technical rule
[CURRENT]
Article is not orderable
ITU-T Q.700:1993-03
Introduction to CCITT signalling system no. 7
- German title
- Einführung zum CCITT-Zeichengabesystem Nr. 7
- Publication date
-
1993-03
- Original language
-
English
- Pages
- 20
- Publication date
-
1993-03
- Original language
-
English
- Pages
- 20
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