Bujun tankō sōgō keiei kiso chōsa
Subtitle: Tankō gentai chōsa, saitan genka yori mitaru saikin no saitan nōritsu akka no keikō ni tsuite
Publisher: Bujun Tankō Sōmukyoku Shomuka] Chōsagakari
Published: 1940
Place of publication: [Bujun
Language: jpn
Number of pages: 54
Subjects: Coal trade; Management
Notes: Cover title.

Confidential document (stamped).