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Patent:US1399450
| Patent: | US 1399450 |
| Title: | Paper-strip feed for adding-machines |
| Date: | 06.12.1921 |
| Place: | |
| Country: | USA |
| Person: | Trinks, Franz (P) |
| Company: | |
| Internal Links: | |
| Keywords: | |
| Link to the patent office: (without guarantee) |  US1399450 (espacenet), US1399450 (uspto) |
Aus der Patentschrift US1399450
- DATUM: 06.12.1921
- TITEL: Paper-strip feed for adding-machines