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Patent:DE340831
| Patent: | DE 340831 |
| Title: | Flächenmeßvorrichtung |
| Date: | 09.08.1919 |
| Place: | Essen, Ruhr |
| Country: | Germany |
| Person: | |
| Company: | Fried. Krupp (P) AG |
| Internal Links: | |
| Keywords: | |
| Link to the patent office: (without guarantee) |  DE340831 |
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