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20DC

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ID = 13438
       
Country:
Spain
Brand: Castilla; Madrid
Tube type:  TRIODE (Detail uncertain) 
Identical to 20DC

Base Europe 5-Pin , B5 (Eu O, F, O5A) 1928 (Codex=F)
Filament Vf 20 Volts / If 0.18 Ampere
Information source Taschenbuch zum Röhren-Codex 1948/49   


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