Kōsaku gaikyō
Subtitle: Shōwa 12-nen 12-gatsu 27-nichi yori Shōwa 13-nen 4-gatsu 20-nichi ni itaru
Publisher: Kōshū Tokumu Kikan
Published: 1938
Place of publication: [Hang-hsien?]
Language: jpn
Number of pages: 49
Notes: Issued as confidential document.