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21MP4

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ID = 27054
       
Country:
United States of America (USA)
Brand: Common type USA tube/semicond.
Tube type:  Television picture tube black+white 
Identical to 21MP4

Filament Vf 6.3 Volts / If 0.6 Ampere / Indirect
Information source Essential Characteristics, GE 1973   
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21mp4_sock.png 21MP4: Essential Characteristics
Anonymous 15 Collector

rm_21mp4_01.png
21MP4: Manufacturer paper
Tomasz Szczesniak

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Usage in Models 18= 1952? ; 2= 1953? ; 4= 1953 ; 1= 1954

Quantity of Models at Radiomuseum.org with this tube (valve, valves, valvola, valvole, válvula, lampe):25
 

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