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ID = 17144
Soviet Union
Brand: Common type USSR (SU) tube/semicond.
Tube type:  Transmitting Triode, air cooled 
Identical to ГК-20

Base Europe 4-Pin B4 (Eu A, E, 4A) 1914 (Codex=Eo)
Was used by Transmittertube (Radio)
Filament Vf 5.6 Volts / If 0.85 Ampere / Direct / Specified voltage AC/DC
Information source Taschenbuch zum Röhren-Codex 1948/49   
ГК-20: own tube collection
Hannu Alho

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