00821nam0-22003011i-450-99000098797040332120070123170036.0000098797FED01000098797(Aleph)000098797FED0100009879720001205g19281945km-y0itay50------baengUSRCA tube handbook, HB-3Radio corporation of AmericaHarrison, N.J.[s.n.]1928-1945vol. 1-2Strumentazione elettronicaTecnologia elettronica537.5Radio corporation of America298100ITUNINARICAUNIMARCBK99000098797040332131B-0031705FI1FI1RCA tube handbook, HB-3353836UNINA