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Patent:US3652826
| Patent: | US 3652826 |
| Title: | Binary entry apparatus for a calculating machine |
| Date: | 28.03.1972 |
| Place: | Montrouge |
| Country: | USA |
| Person: | Chekroun, Rene; Ragot, Jean-Claude |
| Company: | Burroughs (P) Corp. |
| Internal Links: | |
| Keywords: | |
| Link to the patent office: (without guarantee) |  US3652826 (espacenet), US3652826 (uspto) |
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