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ID = 22220
United States of America (USA)
Brand: Common type USA tube/semicond.
Tube type:  Television picture tube black+white 
Identical to 12KP4

Filament Vf 6.3 Volts / If 0.6 Ampere / Indirect / Specified voltage AC/DC
Description Runder Schirm, Durchmesser 12". 

12kp4_sock.png 12KP4: Essential Characteristics
Anonymous 15 Collector

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12KP4: GE Handbook 1954
Anonymous 1038 Collector

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Usage in Models 1= 1948 ; 7= 1949? ; 13= 1949 ; 17= 1950?

Quantity of Models at with this tube (valve, valves, valvola, valvole, válvula, lampe):38

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