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21ALP4D

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ID = 71098
       
 
   
Tube type:  Television picture tube black+white   Indication 
Identical to 21ALP4D

Was used by Radio/TV-reception etc.
Filament

Usage in Models 2= 1956?

Quantity of Models at Radiomuseum.org with this tube (valve, valves, valvola, valvole, válvula, lampe):2
 

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