Patent:US3003033
| Patent: | US 3003033 |
| Titel: | Adapter circuit for adding automatic answering to central station switching equipment |
| Datum: | 03.10.1961 |
| Ort: | |
| Land: | USA |
| Person: | Kuksa John R |
| Firma: | Automatic Elect Lab |
| Links im Rechnerlexikon: | |
| Schlagworte: | |
| Link zum Patentamt: (ohne Garantie) | US3003033 (espacenet), US3003033 (uspto) |
- DATUM: 03.10.1961
- TITEL: Adapter circuit for adding automatic answering to central station switching equipment
- PERSON: AUTOMATIC ELECT LAB
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US3003033