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CV2979

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ID = 18404
       
Country:
Great Britain (UK)
Brand: Common type Great Britain tube/semicond.
Developer: MO Valve Co. Ltd.; GB 
Tube type:  Triode, vacuum   Universal 
Identical to CV2979 = H30

Base British-7-Pin, old (M7A) (Codex=Na)
Was used by Military and/or Government
Filament Vf 13 Volts / If 0.3 Ampere / Indirect / Specified voltage AND current AC/DC
Information source Babani, International Radio Tube Encyclopaedia   p. 86 & 87
Universal Vade-Mecum, Electron Valves and Semiconductor Devices   p. 40
Taschenbuch zum Röhren-Codex 1948/49


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