Manshū ni okeru gaitan kōgyō chōsa (gokuhi)
Series: Sōgō shiryō
Publisher: Mantetsu Chōsabu Shiryōka
Published: 1940
Place of publication: [Dairen]
Language: jpn
Number of pages: 31
Subjects: Coke industry
Notes: Cover title.

Confidential document (stamped).

"Chōshinishi ; 40 kō dai 1-gō no 61."