Ōsaka-shi chūshō shōkōgyō chōsa gaiyō narabini gyōkai yōbō jikō
Series: Shōkō chōsa shiryō -- 6
Publisher: Ōsaka-shi Keizaibu Shōkōka
Published: 1947
Place of publication: [Osaka]
Language: jpn
Number of pages: 16
Notes: Cover title.