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3111_OSW

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ID = 25994
       
Country:
Germany
Brand: Werk für Fernmeldewesen (OSW, HF, WF) Berlin, VEB, RFT (Ostd.)
Developer: Common type USSR (SU) tube/semicond. 
Tube type:  LOCKED OFF PART (CODE 9) - see in Notes   RF/IF-Stage   Controlling (mu) 
Identical to 3111_OSW = OSW3111
Similar Tubes
Other shape (e.g. bulb type):
  6SK7 ; 6К3
First Source (s)
1949 : -- Collector info (Sammler)

Base Octal (Int.Octal, IO) K8A, USA 1935
Description Bezeichnung vom Hersteller: OSW3111 (siehe dort). 
Information source - - -   
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