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Patent:DE919790
| Patent: | DE 919790 |
| Title: | Rechenmaschine |
| Date: | 01.01.1937 |
| Place: | |
| Country: | Germany |
| Person: | Hamann, Christel (P) |
| Company: | DeTeWe (P) |
| Internal Links: | |
| Keywords: | |
| Link to the patent office: (without guarantee) |  DE919790 |
Aus der Patentschrift DE919790
- DATUM: 04.11.1954
- TITEL: Rechenmaschine
- PERSON: DEUTSCHE TELEPHONWERK KABEL