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D70

Information - Help 
ID = 11138
       
Country:
France
Brand: Grammont (Radiofotos, Fotos); Paris, Malakoff
Tube type:  Vacuum Pentode   Power/Output 
  Ca. 1925 up to 1945 rare.
Identical to D70
Similar Tubes
Normally replaceable-slightly different:
  C443N ; PP431 ; RES374

Base Europe 5-Pin (O5A, B5) (Codex=Foo)
Filament Vf 4 Volts / If 0.25 Ampere / Direct
Literature Taschenbuch zum Röhren-Codex 1948/49   
- - Manufacturers Literature   2-9-1933
 
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D70: own collection
Peter den Boer


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