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Patent:US2499237
| Patent: | US 2499237 |
| Title: | Adding device |
| Date: | 28.02.1950 |
| Place: | |
| Country: | USA |
| Person: | Fink Melvin M |
| Company: | Franklin Veatch |
| Internal Links: | |
| Keywords: | |
| Link to the patent office: (without guarantee) |  US2499237 (espacenet), US2499237 (uspto) |
Aus der Patentschrift US2499237
- DATUM: 28.02.1950
- TITEL: Adding device