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Patent:US1572132
| Patent: | US 1572132 |
| Title: | Planimeter |
| Date: | 09.02.1926 |
| Place: | |
| Country: | USA |
| Person: | L. Larrazabal Y Fernandez |
| Company: | |
| Internal Links: | Planimeter, Schneidenplanimeter |
| Keywords: | |
| Link to the patent office: (without guarantee) |  US1572132 (espacenet), US1572132 (uspto) |
Aus der Patentschrift US1572132
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