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ID = 6381
United States of America (USA)
Brand: Common type USA tube/semicond.
Tube type:  Triode, vacuum   Universal 
Identical to V99 = UV99 = UV199 = V199 = C299 = AWA99 = UV099
Similar Tubes
Other base:
  99 ; CX299 ; UX199 ; UX99 ; X99
Successor Tubes 1925   99   UX199   B_CommontypeUSA_Trio  

Base UV-Base (4 Pins+Bayonet, USA 1914 WE)
Filament Vf 3.3 Volts / If 0.063 Ampere / Direct / Battery = /

  V99: De Muiderkring N.V.
Egon Penker
V99: O.F.
Otto Frosinn

V99: RCA Tech Data
Egon Penker

V99: Cunningham Radiotron Manual
Peter Hoddow

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