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Patent:GB143884
| Patent: | GB 143884 |
| Title: | Multiplying and Dividing Apparatus |
| Date: | 28.05.1919 |
| Place: | |
| Country: | Great Britain |
| Person: | Trinks, Franz (P) |
| Company: | |
| Internal Links: | |
| Keywords: | |
| Link to the patent office: (without guarantee) |  GB143884 |
Aus der Patentschrift GB143884