Solid-state components replace generators in ringing and tone power plants.
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| Title: | Solid-state components replace generators in ringing and tone power plants. |
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| Authors: | Osmun, J. W., Montana, J. R. |
| Source: | Bell Laboratories Record.; January 1973, Vol. 51, p25-28, 4p |
| Database: | Applied Science & Technology Source |
| ISSN: | 00058564 |
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