Chaharu meinai sekitan kōgyō gaikyō
Subtitle: Chaharu Meikōsho Jitsugyōka shiryō
Publisher: Mantetsu Sangyōbu
Published: 1937
Place of publication: [Dairen?]
Language: jpn
Number of pages: 38
Subjects: Coal mines and mining
Notes: Cover title.

Confidential document (stamped).

"Ho no. 1007; Tenjisho 24; Heishibun 317; In 60."

"Ten-Ji-Sho-Kō 37 dai 206-gō."

The original language not known, could be Chinese or Mongolian.