407B Western Electric NOS “”D”” getter 1968
45/26
47/26
(407A=396A with a 20V filament)
(407B=premium grade 407A with higher Gm and higher plate current specs, 20V Filament)
$12.00 $39.99
407B Western Electric NOS “”D”” getter 1968
45/26
47/26
(407A=396A with a 20V filament)
(407B=premium grade 407A with higher Gm and higher plate current specs, 20V Filament)
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