Denshi kairo
By: shippitsu iin Yoshida Yūichi ; [chosakusha Denki Gakkai Tsūshin Kyōikukai]
Edition: Shohan
Publisher: Denki Gakkai; Toritsugi hanbaijo Gakkensha
Published: 1968
Place of publication: Tōkyō
Language: jpn
Number of pages: 300