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E_SFR

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ID = 28548
       
Country:
France
Brand: SFR (S.F.R.) - Société Française Radio-Électrique; Paris
Tube type:  Triode, vacuum 
Identical to E_SFR
First year 1923 ?? Saga of the Vacuumtube, Tyne 408

Base Europe 4-Pin (A, 4A, B4, since 1914)
Filament
 
f_sfrlampee1a.jpg
E_SFR: Manfred Rathgeb eigenes Bild
Manfred Rathgeb

 


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