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ID = 44787
Brand: Metrum AG; Wallisellen
Tube type:  Half-Wave Vacuum Rectifier   Power-supply 
Identical to GH74

Filament If 8.5 Ampere / Direct
Description Ua 160.000 V; Ia 0.06 A
Die Röhre wurde später von Albis produziert. 
Information source Schweizer Elektronenröhren 1917-2003, Willi E.   Seite 204

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