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Patent:CA170649
| Patent: | CA 170649 |
| Title: | Calculating machine |
| Date: | 11.07.1916 |
| Place: | |
| Country: | Canada |
| Person: | Claiborne W. Gooch |
| Company: | Burroughs (P) Adding Machine Comp. |
| Internal Links: | |
| Keywords: | |
| Link to the patent office: (without guarantee) |  CA170649 |
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