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Patent:CA387923
| Patent: | CA 387923 |
| Title: | Cash register and accounting machine |
| Date: | 09.04.1940 |
| Place: | |
| Country: | Canada |
| Person: | Helmut Geller |
| Company: | NCR (P) National Cash Register Comp. |
| Internal Links: | |
| Keywords: | |
| Link to the patent office: (without guarantee) |  CA387923 |
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