Shōwa jūgonendo gyōmubetsu yosan narabini jigyō gaiyō
Publisher: Ibaraki-ken Suisan Shikenjō
Published: 1940
Place of publication: [Nakaminato-shi]
Language: jpn
Number of pages: 12
Other titles: Shōwa 15-nendo gyōmubetsu yosan narabini jigyō gaiyō
Notes: Cover title.