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2120_Fotos

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ID = 50007
       
Country:
France
Brand: Grammont (Radiofotos, Fotos); Paris, Malakoff
Tube type:  RECTIFIER TUBE (Detail uncertain) 
Identical to 2120_Fotos

Filament
Description Simular tube Philips 1725 
Information source - - Manufacturers Literature   c.a. 1930
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