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931

Information - Help 
ID = 11989
       
Country:
United States of America (USA)
Brand: Common type USA tube/semicond.
Tube type:  Photomultiplier 
Identical to 931

Filament
Tube prices 2 Tube prices (visible for members only)
Literature Taschenbuch zum Röhren-Codex 1948/49   
 
931a_1.jpg
931: DS
Anonymous 249 Collector

 
931.png
931: Manufacturer's Literature
Emilio Ciardiello

 
931_data.png
931: Radio Craft, Ausgabe 08/1941
Daniel Consales


Collection of a member from D

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