DL25 (DL25)

Jacob Roschy Martin Renz Ernst Erb Bernhard Nagel Eilert Menke 
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Forum » Valves / tubes - Semiconductors » VALVES/TUBES / SEMICONDUCTORS in RADIOMUSEUM » DL25 (DL25)
Omer Suleimanagich
Omer Suleimanagich
USA  Articles: 426
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26.Oct.08 23:09

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Does anyone have more information about this tube and an explanation why it wasn't used after the war for any other radio applications?