Bokuryō tankō ni kansuru ken
Subtitle: Kantōgun Tokumubu uchiawasekai kaigi hōkokusho tenpu shorui, Kantōgun Tokumubu kaigi gian
Contributors: Japan. Rikugun. Kantōgun. Tokumubu
Series: Shinkyō keichō -- dai 211-gō
Publisher: Mantetsu Keizai Chōsakai
Published: 1934
Place of publication: [Shinkyō?]
Language: jpn
Number of pages: 12
Subjects: Coal mines and mining
Notes: Cover title.

Confidential document (stamped).