Okayama-ken Suisan Shikenjō Shōwa jūichinendo gyōmu hōkokusho
Publisher: Okayama-ken Suisan Shikenjō
Published: 1938
Place of publication: [Okayama-ken Oku-gun]
Language: jpn
Number of pages: 73
Other titles: Okayama-ken Suisan Shikenjō Shōwa 11-nendo gyōmu hōkokusho
Notes: Cover title.