A Piezo-Electric Loud Speaker for the Higher Audio Frequencies.
| Autor: | Ballantine, S. |
|---|---|
| Zdroj: | Proceedings of the Institute of Radio Engineers; 1933, Vol. 21 Issue 10, p1399-1408, 10p |
| Databáze: | Complementary Index |
| Externí odkaz: |
|
| Autor: | Ballantine, S. |
|---|---|
| Zdroj: | Proceedings of the Institute of Radio Engineers; 1933, Vol. 21 Issue 10, p1399-1408, 10p |
| Databáze: | Complementary Index |
| Externí odkaz: |
|