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Patent:DE240416
| Patent: | DE 240416 |
| Title: | Logarithmische Rechenwalze |
| Date: | 21.12.1910 |
| Place: | Oerlikon, Schweiz |
| Country: | Germany |
| Person: | Daemen-Schmid, Heinrich (P) |
| Company: | |
| Internal Links: | |
| Keywords: | |
| Link to the patent office: (without guarantee) |  DE240416 |