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729A

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ID = 33504
       
Country:
United States of America (USA)
Brand: Western Electric Company Inc.; New York (NY)
Tube type:  TR-switch 
Identical to 729A = 1B23
First year 01.Apr.1942 - - Manufacturers Literature
Predecessor Tubes 702A   702B  

Filament --/--
Information source - - Manufacturers Literature   

 

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