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20CP4

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ID = 26899
       
Country:
United States of America (USA)
Brand: Common type USA tube/semicond.
Tube type:  Television picture tube black+white 
Identical to 20CP4
Filament Vf 6.3 Volts / If 0.6 Ampere / Indirect
Information source Essential Characteristics, GE 1973   
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20cp4_sock.png 20CP4: Essential Characteristics
Anonymous 15 Collector
rm_20cp4_01.png
20CP4: Manufacturer paper
Tomasz Szczesniak
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Usage in Models 2= 1950? ; 81= 1951? ; 4= 1951 ; 1= 1952?? ; 79= 1952? ; 2= 1952 ; 1= 1953 ; 1= 1955? ; 9= 1956?
Quantity of Models at Radiomuseum.org with this tube (valve, valves, valvola, valvole, válvula, lampe):180
 
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