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Patent:DE673506
| Patent: | DE 673506 |
| Title: | Rechenmaschine |
| Date: | 23.03.1939 |
| Place: | Detroit, USA |
| Country: | Germany |
| Person: | |
| Company: | Burroughs (P) |
| Internal Links: | |
| Keywords: | |
| Link to the patent office: (without guarantee) |  DE673506 |
Aus der Patentschrift DE673506