vcr139a
Abstract: ECH21 UCH21 TUNGSRAM UA55 tungsram power rectifier VCR522 uch21 tube tungsram UA-55 bridge RECTIFIER GI
Contextual Info: December, W ir e le s s W o rld New "All-stage" Valve D etails of the Sargrove - T ungsram T yp e U A -5 5 D e s i g n e d p ri m arily to re duce th e cost of valves used in re ceivers m anufactured by th e E .C .M .E . sys tem see W .W ., April, 1947 th e Type
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ua-55vcr139aech21uch21+6tungsram ua55tungsram power rectifiervcr522uch21 tubetungsrambridge rectifier gi
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