Ryōsetsu Shōkō shioba chōsa
Series: Kachū chōsa shiryō -- dai 67-gō
Publisher: Kōain Kachū Renrakubu
Published: 1940
Place of publication: [Shanghai]
Language: jpn
Number of pages: 74
Subjects: Salt industry and trade
Notes: Cover title.

Confidential document (stamped).