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Patent:CA426725
| Patent: | CA 426725 |
| Title: | Calculating machine |
| Date: | 10.04.1945 |
| Place: | |
| Country: | Canada |
| Person: | Edgar Briggs Jessup, Harold Tolman Avery |
| Company: | Marchant (P) Calculating Machine Comp. |
| Internal Links: | |
| Keywords: | |
| Link to the patent office: (without guarantee) |  CA426725 |
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