File:Ef89-halbdunkel.jpg
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![File:Ef89-halbdunkel.jpg](https://upload.wikimedia.org/wikipedia/commons/thumb/7/7a/Ef89-halbdunkel.jpg/800px-Ef89-halbdunkel.jpg)
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Original file (2,048 × 1,536 pixels, file size: 206 KB, MIME type: image/jpeg)
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Date/Time | Thumbnail | Dimensions | User | Comment | |
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current | 09:07, 25 May 2021 | ![]() | 2,048 × 1,536 (206 KB) | commons>Poc | {{Information |Beschreibung = Elektronenröhre EF89 mit sichtbarer Lilienfeldstrahlung |Quelle = Eigenes Werk |Urheber = ~~~~ |Datum = 27.8.2018 |Genehmigung = Selbst erteilt |Andere Versionen = Keine |Anmerkungen = Keine }} |
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