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PR3b

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ID = 17801
       
 
   
Tube type:  Transmitting Triode, air cooled 
Identical to PR3b = UV203A

Filament
Literature Taschenbuch zum Röhren-Codex 1948/49   
 
pr3b_so.png
PR3b: ARRL Handbook 1972
Michael Schlör

 

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