Nōjiyō denki shiyō jōkyō
Subtitle: dai 9-kai hōkoku
By: Teishinshō Denkikyoku chōsa
Series: Denki jigyō shiryō -- no. 51
Publisher: Denki Kyōkai
Published: 1938
Place of publication: Tōkyō
Language: jpn
Number of pages: 23
Notes: Cover title.