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Patent:GB285500
| Patent: | GB 285500 |
| Title: | Improvements in or relating to cash registers |
| Date: | 21.05.1929 |
| Place: | Dayton |
| Country: | Great Britain |
| Person: | Robertson, William (P) |
| Company: | NCR (P) |
| Internal Links: | |
| Keywords: | |
| Link to the patent office: (without guarantee) |  GB285500 |
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