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T4700N

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ID = 13075
       
Country:
France
Brand: Grammont (Radiofotos, Fotos); Paris, Malakoff
Tube type:  Screen-grid Tetrode   Controlling (mu) 
Identical to T4700N

Filament Vf 4 Volts / If 1.1 Ampere
Information source Taschenbuch zum Röhren-Codex 1948/49   

 

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