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| 050 | 0 | _aTK7868 .P6 L 45 1990 | |
| 100 | 1 | _aLenk, John D. | |
| 245 | 1 | 0 |
_aComplete guide to electronic power supplies / _cJohn D. Lenk |
| 300 | _ap. | ||
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_2lcc _kTK7868 .P6 L 45 1990 |
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_c7743 _d7743 |
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