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Patent:GB154248
| Patent: | GB 154248 |
| Title: | Improvements in and relating to calculating machines |
| Date: | 29.11.1920 |
| Place: | |
| Country: | Great Britain |
| Person: | Wilkinson Brothers And Co Inc |
| Company: | |
| Internal Links: | |
| Keywords: | |
| Link to the patent office: (without guarantee) |  GB154248 |
Aus der Patentschrift GB154248
- DATUM: 29.11.1920
- TITEL: Improvements in and relating to calculating machines
- PERSON: WILKINSON BROTHERS AND CO INC