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Cf

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ID = 15613
       
Country:
Germany
Brand: Siemens (& Halske, -Schuckert Werke SSW, Electrogeräte); Berlin, München
Tube type:  Triode, vacuum   Power/Output 
Identical to Cf

Base EU-Telephone 5-pin (G5K)
Filament Vf 3.8 Volts / If 0.25 Ampere
Description Weitverkehrsröhre (Poströhre) 
Tube prices 1 Tube prices (visible for members only)
Information source Taschenbuch zum Röhren-Codex 1948/49   

cf_so.png Cf: rtt
Anonymous 10 Collector

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Just Qvigstad
verstrkerrhrecf2.png
Cf: Reichspostdatenblatt
Anonymous 225 Collector

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Collection of

 
d_siemens_cf.jpg

Cf
 

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