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Patent:DE681953
| Patent: | DE 681953 |
| Title: | Multiplikationsmaschine |
| Date: | 07.10.1939 |
| Place: | Orange, NJ, USA |
| Country: | Germany |
| Person: | |
| Company: | Monroe (P) |
| Internal Links: | |
| Keywords: | |
| Link to the patent office: (without guarantee) |  DE681953 |
Aus der Patentschrift DE681953