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2500/4

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ID = 35849
       
Country:
France
Brand: SFR (S.F.R.) - Société Française Radio-Électrique; Paris
Tube type:  Current Regulator, Iron in Hydrogen   Power-supply 
Identical to 2500/4

Base Edison medium E14 = 14 mm, mignon
Filament Direct / Specified current AC/DC ~ = (Series working)


Just Qvigstad

Collection of

 
2500_4_1_redimensionner.jpg

2500/4
 

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