00915nam0-22002891i-450-99000049182040332120071025155953.0000049182FED01000049182(Aleph)000049182FED0100004918220020821d1953----km-y0itay50------baenggera-------001yyLow-frequency amplificationa treatise on the technical and scientific principles and the modern practical use of L.F. amplificationby N. A. J. VoorhoeveHollandPhilips' Technical library1953495 p.ill.23 cmAmplificatori621.381'535Voorhoeve,N. A. J.491781ITUNINARICAUNIMARCBK99000049182040332110 E I 303260DINELDINELLow-frequency amplification333010UNINA00550nam2 2200193 450 00003460020220614131840.020220610d2021----km-y0itay50------baitaITy-------001yyLeichtfertigkeitL. Stafflerp. 763-7780010000344652001Reato colposodiretto da Massimo DoniniStaffler,Lukas1076950ITUNIPARTHENOPE20220610REICATUNIMARC000034600Leichtfertigkeit2860121UNIPARTHENOPE