Zendentsū rōdō undōshi, Zenkoku Denki Tsūshin Rōdō Kumiai Zendentsū Rōdō Undōshi Hensan Iinkai hen.
Published: 1968
Place of publication: Tōkyō
Language: jpn
Number of pages: 10
Subjects: Zenkoku Denki Tsūshin Rōdō Kumiai -- History.