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AV20

Information - Help 
ID = 21376
       
Country:
Germany
Brand: Auer-Studiengesellschaft; Berlin
Developer: Auer-Studiengesellschaft; Berlin 
Tube type:  Triode, vacuum 
  <1925 very rare. ***
Identical to AV20

Base Telefunken-Base 3 Pin+1 Socket
Filament Direct / Battery =
Information source - - -   
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av20_bild.jpg
AV20: Nesper, der Radio-Amateur, 1924
Anonymous 15 Collector

 
av20_data.png
AV20: Nesper, der Radio-Amateur, 1924
Anonymous 15 Collector


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