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Patent:FR830055
| Patent: | FR 830055 |
| Title: | Machine à additionner |
| Date: | 02.05.1938 |
| Place: | |
| Country: | France |
| Person: | Gauthier, Robert (P) |
| Company: | |
| Internal Links: | Kolonnenaddierer mit Tasten |
| Keywords: | |
| Link to the patent office: (without guarantee) |  FR830055 |
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