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H410/D

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ID = 59771
       
Country:
Germany
Brand: Valvo GmbH, Radioröhrenfabrik; Hamburg
Tube type:  LOCKED OFF TUBE (CODE 9) - see in Notes 
Identical to H410/D = H410D

Filament
Description

Older writing style for H410D

 
Text in other languages (may differ)
 
valvo_h410_d.jpg
H410/D: Röhrensammlung
Wolfgang Bauer

 


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