Denki tsūshin kenkyūsho kenkyū jitsuyōka hōkoku / Nihon denshin denwa kōsha Musashino denki tsūshin kenkyūsho = Electrical Communication Laboratory technical journal / Nihon Telegraph and Telephone Public Corporation, Musashino Elelctrical Communication Laboratory - Denki Tsūshin Kenkyūjo; Nihon Denshin Denwa Kōsha (Tōkyō [Verlag nicht ermittelbar], 1952)
Text japan.; Zsfassung engl
(Djscp'84:5072)190788
Keywords: Zeitschrift