Telephone Information
| Processing System
| telephone information | |
| gen. | telefonische Auskunft |
| processing system | |
| tech. | Rechensystem; Verarbeitungssystem |
| |||
| telefonische Auskunft | |||
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Telephone Information : 5 phrases in 3 subjects |
| Communications | 2 |
| General | 2 |
| Patents | 1 |