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Patent:GB147306
| Patent: | GB 147306 |
| Title: | Tabular Calculators |
| Date: | 23.04.1919 |
| Place: | |
| Country: | Great Britain |
| Person: | Smith, A.E.; Bloodworth, F.J.; Adams, A. |
| Company: | Smith & Co. E. |
| Internal Links: | |
| Keywords: | |
| Link to the patent office: (without guarantee) |  GB147306 |
Aus der Patentschrift GB147306