Design of automatic telephone exchanges.
Enregistré dans:
| Auteur principal: | |
|---|---|
| Format: | Livre |
| Langue: | English German |
| Publié: |
[München]
Siemens
[1962-67, v. 1 1967]
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| Sujets: |
Table des matières:
- v. 1. Circuit units and functions. - v. 2. Principals and planning.