Kanka hōjin kōzan kigyō no genkyō.
Contributors: Japan. Kōain.
Publisher: Kōain?
Published: 1941
Place of publication: [Tokyo?
Language: jpn
Subjects: Mineral industries -- China.; Corporations, Japanese -- China.
Notes: Caption title.

"Kōain-dono kizōbon" and "Tōa Kenkyūjo zōsho no in" stamped.

Confidential document, "Hi" stamped.
Table of contents: title: 1. Sekitan, tetsu no bu; title: 2. Zatsu kōbutsu no bu.