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Patent:US1075124
| Patent: | US 1075124 |
| Title: | Slide Disk Calculator |
| Date: | 07.10.1913 |
| Place: | |
| Country: | USA |
| Person: | J. A. Scheibli |
| Company: | |
| Internal Links: | |
| Keywords: | |
| Link to the patent office: (without guarantee) |  US1075124 (espacenet), US1075124 (uspto) |
Aus der Patentschrift US1075124