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Patent:US1929625
| Patent: | US 1929625 |
| Title: | Calculating Machine |
| Date: | 10.10.1933 |
| Place: | Orange, NJ |
| Country: | USA |
| Person: | Crosman, Loring Pickering (P) |
| Company: | Gardner (P) Comp. |
| Internal Links: | |
| Keywords: | |
| Link to the patent office: (without guarantee) |  US1929625 (espacenet), US1929625 (uspto) |
Aus der Patentschrift US1929625