Ryūkakoku senryō seizō kōgyō chōsa
Publisher: Mantetsu Sangyōbu
Published: 1937
Place of publication: [Dairen]
Language: jpn
Number of pages: 11
Subjects: Dyes and dyeing; Sulfur dyes
Notes: Cover title.

Confidential document (stamped).

"Ho 1224; Sanchōyū 18; Heishibun 3243; In 30."