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Patent:US2841330
| Patent: | US 2841330 |
| Title: | Magnetic-Clutch Integrator |
| Date: | 01.07.1958 |
| Place: | |
| Country: | USA |
| Person: | N. Brewer et al |
| Company: | |
| Internal Links: | Planimeter |
| Keywords: | |
| Link to the patent office: (without guarantee) |  US2841330 (espacenet), US2841330 (uspto) |
Aus der Patentschrift US2841330
- DATUM: 01.07.1958
- TITEL: Magnetic-clutch integrator
- PERSON: FISCHER PORTER CO