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Patent:US1892799
| Patent: | US 1892799 |
| Title: | Graph Recording Apparatus |
| Date: | 03.01.1933 |
| Place: | |
| Country: | USA |
| Person: | Hounsfield, Leslie (P) |
| Company: | |
| Internal Links: | Analogrechner |
| Keywords: | |
| Link to the patent office: (without guarantee) |  US1892799 (espacenet), US1892799 (uspto) |
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