Buriyāto Mōko no tangusuten-kō
Series: Hokkei Soren shiryō -- dai 13-gō
Publisher: Harubin Tetsurokyoku Hokuman Keizai Chōsajo
Published: 1936
Place of publication: [Harbin]
Language: jpn
Subjects: Tungsten mines and mining
Notes: Cover title.

Confidential document (stamped).