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3107_OSW

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ID = 25990
       
Country:
Germany
Brand: Werk für Fernmeldewesen (OSW, HF, WF) Berlin, VEB, RFT (Ostd.)
Tube type:  LOCKED OFF TUBE (CODE 9) - see in Notes 
Identical to 3107_OSW = 5Ц4С = 5Z4C_DDR = OSW3107
First Source (s)
1949 : -- Collector info (Sammler)

Base Octal (Int.Octal, IO) K8A, USA 1935
Filament Vf 5 Volts / If 2 Ampere / Half indirect
Description Bezeichnung vom Hersteller: OSW3107 (siehe dort) 
Literature Taschenbuch zum Röhren-Codex 1948/49   
 

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