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Patent:US3102950
| Patent: | US 3102950 |
| Title: | Automatic operating means for accounting machines |
| Date: | 03.09.1963 |
| Place: | Dayton |
| Country: | USA |
| Person: | William C. Arnold Chester N. Jorgensen |
| Company: | NCR (P) |
| Internal Links: | |
| Keywords: | |
| Link to the patent office: (without guarantee) |  US3102950 (espacenet), US3102950 (uspto) |
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