File:Detail-49757.jpg
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Historical power electronic devices such as mercury-arc rectifiers, transistors, and silicon-controlled rectifiers.
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| Date/Time | Thumbnail | Dimensions | User | Comment | |
|---|---|---|---|---|---|
| current | 11:01, 14 December 2023 | | 1,024 × 1,024 (1.28 MB) | Ai (talk | contribs) | Historical power electronic devices such as mercury-arc rectifiers, transistors, and silicon-controlled rectifiers. |
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