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ID = 36872
Brand: Niggl Hochvakuum-Röhren GmbH, München.
Tube type:  Triode, vacuum 
Identical to NAL420

Base Europe 4-Pin B4 (Eu A, E, 4A) 1914
Filament Vf 3.6 Volts / If 0.2 Ampere / Direct
Dimensions (WHD)
incl. pins / tip
36 x 69 x mm / 1.42 x 2.72 x inch
Information source - - -   
-- Collector info (Sammler)   
- - -
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NAL420: J.S.
Jörg Seidel

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