Dai kyūkai chōsa hōkokukai
Series: Hōkokusho -- dai 15-gō; Hōkokusho (Nanpō Shokusan Shigen Chōsakai) -- dai 15-gō.
Publisher: Nanpō Shokusan Shigen Chōsakai
Published: 1943
Place of publication: Ōsaka-shi
Language: jpn
Number of pages: 21
Subjects: Castor oil plant
Other titles: Dai 9-kai chōsa hōkokukai
Notes: Cover title.