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ID = 58572
United States of America (USA)
Brand: Western Electric Company Inc.; New York (NY)
Tube type:  Transistor   Universal 
Identical to 2N1072

Was used by Industrial
Filament Solid State
Description NPN silicon diffused (mesa) transistor intended as power switch (1959).

Text in other languages (may differ)
Information source -- Collector info (Sammler)   KTT 1969/70, M.Burgess 2010

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