Kyokutō Soryō no sekitan shigen
By: [tantōsha Nojima Giichi]
Contributors: Tōa Kenkyūjo (Tokyo, Japan)
Series: So shiryō -- dai 36-gō, D
Publisher: Tōa Kenkyūjo
Published: 1941
Place of publication: Tōkyō
Language: jpn
Number of pages: 216
Subjects: Coal mines and mining
Notes: Cover title.

On double leaves.

Confidential document (stamped).