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B_RadioRFabrik

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ID = 6954
       
Country:
Germany
Brand: Radioröhrenfabrik GmbH (RRF) (CHF Müller // RRF // Valvo); Hamburg
Tube type:  TRIODE (Detail uncertain) 
Identical to B_RadioRFabrik

Base Europe 4-Pin B4 (Eu A, E, 4A) 1914
Filament Vf 3.5 Volts / If 0.3 Ampere
Information source Taschenbuch zum Röhren-Codex 1948/49   


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