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K49B

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ID = 24225
       
Country:
United States of America (USA)
Brand: Common type USA tube/semicond.
Tube type:  Non-linear components 
Identical to K49B
Base Octal (Int.Octal, IO) K8A, USA 1935
Filament
Description used in 110V AC-DC Sets 
Text in other languages (may differ)
Information source Ballast Tube Handbook, The   
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Just Qvigstad
Usage in Models 2= 1936 ; 2= 1938 ; 2= 1939? ; 3= 1941?? ; 5= 1942?? ; 4= 1942?
Quantity of Models at Radiomuseum.org with this tube (valve, valves, valvola, valvole, válvula, lampe):18
 
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