Nōjiyō denki shiyō jōkyō
Subtitle: dai 10-kai hōkoku
By: Teishinshō Denkikyoku chōsa
Series: Denki jigyō shiryō -- no. 62
Publisher: Denki Kyōkai
Published: 1939
Place of publication: Tōkyō
Language: jpn
Number of pages: 24
Notes: Cover title.