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Patent:US569107
| Patent: | US 569107 |
| Title: | Planimeter |
| Date: | 06.10.1896 |
| Place: | |
| Country: | USA |
| Person: | Lippincott, Alpheus (P) |
| Company: | |
| Internal Links: | Planimeter |
| Keywords: | |
| Link to the patent office: (without guarantee) |  US569107 (espacenet), US569107 (uspto) |
Aus der Patentschrift US569107