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Patent:US2657610
| Patent: | US 2657610 |
| Title: | Tabular Device for Musical Modulation |
| Date: | 03.11.1953 |
| Place: | |
| Country: | USA |
| Person: | Carran, W. E., Jr. (P) |
| Company: | |
| Internal Links: | Musik |
| Keywords: | |
| Link to the patent office: (without guarantee) |  US2657610 (espacenet), US2657610 (uspto) |
Aus der Patentschrift US2657610
- DATUM: 03.11.1953
- TITEL: Tabular device for musical modulation