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Patent:GB525861
| Patent: | GB 525861 |
| Title: | Improvements in Calculating Machines |
| Date: | 04.03.1938 |
| Place: | Zella-Mehlis, Thüringen, Deutschland |
| Country: | Great Britain |
| Person: | |
| Company: | Mercedes (P) Büromaschinenwerke AG |
| Internal Links: | |
| Keywords: | |
| Link to the patent office: (without guarantee) |  GB525861 |
Aus der Patentschrift GB525861