File:Sovtek kt66 power tetrode.jpg
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Date/Time | Thumbnail | Dimensions | User | Comment | |
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current | 20:33, 1 May 2011 | 2,188 × 1,476 (340 KB) | Mataresephotos | {{Information |Description ={{en|1=A Sovtek KT-66 power tetrode vacuum tube.}} |Source ={{own}} |Author =Mataresephotos |Date = |Permission = |other_versions = }} |
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