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NA220

Information - Help 
ID = 23168
       
Country:
Germany
Brand: Niggl Hochvakuum-Röhren GmbH, München.
Tube type:  TRIODE (Detail uncertain) 
Identical to NA220

Filament Vf 1.8 Volts / If 0.2 Ampere
Information source - - -   
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na220_kennli1.png
NA220: Funk-Bastler 1927, Heft 14
Hartmut Völler


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