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Patent:DE230836
| Patent: | DE 230836 |
| Title: | Addiermaschine |
| Date: | 03.12.1909 |
| Place: | London, England |
| Country: | Germany |
| Person: | |
| Company: | British Adding Machine (P) Co. |
| Internal Links: | |
| Keywords: | |
| Link to the patent office: (without guarantee) |  DE230836 |
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