Apparatus to alert a deaf person.
| Autor: | Sulkoski, Jerome, Brugger, Richard D. |
|---|---|
| Zdroj: | Journal of the Acoustical Society of America; 1983, Vol. 74 Issue 6, p1926-1926, 1p |
| Databáze: | Complementary Index |
| Externí odkaz: |
|
| Autor: | Sulkoski, Jerome, Brugger, Richard D. |
|---|---|
| Zdroj: | Journal of the Acoustical Society of America; 1983, Vol. 74 Issue 6, p1926-1926, 1p |
| Databáze: | Complementary Index |
| Externí odkaz: |
|