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K87B

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ID = 24334
       
Country:
United States of America (USA)
Brand: Common type USA tube/semicond.
Tube type:  Non-linear components 
Identical to K87B

Base Octal (Int.Octal, IO) K8A, USA 1935
Filament
Description I quer 1 System/A = 0.3 U mittel/V = 87 
Information source Ballast Tube Handbook, The   
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0_ball_33_79.png K87B
Emilio Ciardiello


Just Qvigstad
Usage in Models 2= 1935? ; 1= 1936

Quantity of Models at Radiomuseum.org with this tube (valve, valves, valvola, valvole, válvula, lampe):3
 

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