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Patent:DE564918
| Patent: | DE 564918 |
| Title: | Russische Rechenmaschine |
| Date: | 13.10.1931 |
| Place: | Gr. Hubnicken b. Palmicken, Ostpr. |
| Country: | Germany |
| Person: | Schmischke, Willy (P) |
| Company: | |
| Internal Links: | |
| Keywords: | |
| Link to the patent office: (without guarantee) |  DE564918 |
24.11.1932
zu Patent:DE558331 und Patent:DE567150