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U30/250

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ID = 8267
       
Country:
Great Britain (UK)
Brand: Mazda = Valve (Tube) brand GB (see also France)
Tube type:  High-vacuum Rectifier 
Identical to U30/250

Filament Vf 4 Volts / If 1 Ampere
Information source Taschenbuch zum Röhren-Codex 1948/49   

Usage in Models 1= 1929 ; 1= 1931

Quantity of Models at Radiomuseum.org with this tube (valve, valves, valvola, valvole, válvula, lampe):2
 

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