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| Title | Signal BF pour calibrage ? |
| Recording media | Disque |
| Format | 40 cm aiguille (enregistrement électrique) |
| Recording year | 1945 |
| Manufacturer / Label | War and Navy Departments - Armed Forces Radio Service |
| Speed (rpm) | 33 |
| Transfer date | 2024-10-04 |
Permalink : https://www.phonobase.org/fiche/16738
Old display : http://www.old.phonobase.org/fiche/16738