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Patent:US1514270
| Patent: | US 1514270 |
| Title: | Means for Teaching Reading and the like |
| Date: | 04.11.1924 |
| Place: | |
| Country: | USA |
| Person: | J. L. Thomson |
| Company: | |
| Internal Links: | Lehrmittel |
| Keywords: | |
| Link to the patent office: (without guarantee) |  US1514270 (espacenet), US1514270 (uspto) |
Aus der Patentschrift US1514270
- DATUM: 04.11.1924
- TITEL: Means for teaching reading and the like