Bōeki kikō seibi no mondai
Series: Chōsa -- dai 1-shū; Chōsa (Senʼi Seihin Yushutsu Shinkō Kabushiki Kaisha.  Kikakubu) -- dai 1-shū.
Publisher: Senʼi Seihin Yushutsu Shinkō Kabushiki Kaisha Kikakubu
Published: 1941
Place of publication: Kōbe-shi
Language: jpn
Number of pages: 55