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Patent:FR476973
| Patent: | FR 476973 |
| Title: | Machine à additionner |
| Date: | 19.06.1915 |
| Place: | USA |
| Country: | France |
| Person: | |
| Company: | Addometer (P) Corp. |
| Internal Links: | |
| Keywords: | |
| Link to the patent office: (without guarantee) |  FR476973 |
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