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Patent:CA406072
| Patent: | CA 406072 |
| Title: | Accounting device |
| Date: | 14.07.1942 |
| Place: | |
| Country: | Canada |
| Person: | Bryce, James (P) |
| Company: | IBM (P) International Business Machines Corp., Reckitt Benckiser Inc. |
| Internal Links: | |
| Keywords: | |
| Link to the patent office: (without guarantee) |  CA406072 |
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