Bokuryō tankō chōsa hōkokusho
By: shusa Ōyabu Kazuichi ; chōsain Takeda Yoshio
Contributors: Takeda, Yoshio; Minami Manshū Tetsudō Kabushiki Kaisha
Publisher: Minami Manshū Tetsudō Kabushiki Kaisha]
Published: 1932
Place of publication: [Dairen
Language: jpn
Number of pages: 61
Subjects: Coal mines and mining
Other titles: Bokurō tankō chōsa hōkokusho
Notes: Cover title.

Confidential document (stamped).