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CI

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ID = 27402
       
Country:
France
Brand: Métal; France (tubes)
Tube type:  Dual-Grid Tetrode   Frequency converter 
Identical to CI
Similar Tubes
Multiple differences or of other kind:
  A441N
First year Apr.1927 -- Original-techn. papers. Erstes Datenblatt

Base French Bigrille 5 pin (D)
Filament Vf 4 Volts / Direct / Battery =
Description

Bigrille-base

 
Text in other languages (may differ)

rm_metal_keramiksockel_sockel_weiss_500px.png CI: Sammlung EE
Ernst Erb

micro_metal_ci_blueprint_grau_600px.png
CI: Data Sheet
Ernst Erb

Collection of

 
ci_a.jpg

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