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507

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ID = 3353
       
 
   
Tube type:  Vacuum Pentode 
Identical to 507 = 1П2Б

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507
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507 (507)
Hans Jürgen Heider
13.Jan.10
  1

1950: Typbezeichung 507 geändert in 1П2Б, siehe 1p2b

 
507
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