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B247

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ID = 9817
       
Country:
Netherlands
Brand: Philips; Eindhoven (tubes international!); Miniwatt
Tube type:  Vacuum Pentode   Controlling (mu) 
Identical to B247

Base Europe 7-Pin C7A (Hx C, C7, C) 1933 (Codex=L)
Filament Vf 2 Volts / If 0.2 Ampere
Information source Taschenbuch zum Röhren-Codex 1948/49   


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