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R_COSSOR
First year
:
1922
Base
:
Europe 4-Pin (A, 4A, B4, since 1914)
Filament
:
Vf 4 Volts / If 0.7 Ampere / Direct / Battery = /
Identical to
:
R_Marconi = TM
Tube type
:
Triode, vacuum Universal
Published by:
dido
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