Okayama-ken Suisan Shikenjō Shōwa jūyonendo gyōmu hōkokusho
Publisher: Okayama-ken Suisan Shikenjō
Published: 1941
Place of publication: [Okayama-ken Oku-gun]
Language: jpn
Number of pages: 105
Other titles: Okayama-ken Suisan Shikenjō Shōwa 14-nendo gyōmu hōkokusho
Notes: Cover title.