00817nam0-22003011i-450-99000050490040332120080130120725.0000050490FED01000050490(Aleph)000050490FED0100005049020020821d1966----km-y0itay50------baenga-------001yyMicrowave valvesC. H. Dix, W. H. AldousLondonIliffe Booksc1966275 p.ill.23 cmMicroondeTubi621.381'33Dix,Cyril Henry27104Aldous,William Herbert27105ITUNINARICAUNIMARCBK99000050490040332110 E III 304922DINELDINELMicrowave valves330108UNINA