00825nam0-22003011i-450-99000098799040332120070123170248.0000098799FED01000098799(Aleph)000098799FED0100009879920001205g19281945km-y0itay50------baengUSRCA tube handbook, HB-3Radio corporation of AmericaHarrison, N.J.[s.n.]1928-1945Vol. 5-6Strumentazione elettronicaTecnologia elettronica537.5Radio corporation of America298100ITUNINARICAUNIMARCBK99000098799040332131B-003.0021707FI1FI1RCA tube handbook, HB-3353836UNINA