Technical rule
[CURRENT]
Article is not orderable
ITU-T Q.23:1988-11
Technical features of push-button telephone sets
- German title
- Technische Eigenschaften von Drucktasten-Fernsprechapparaten
- Publication date
-
1988-11
- Original language
-
English
- Pages
- 2
- Publication date
-
1988-11
- Original language
-
English
- Pages
- 2
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