Bujuntan to Bujun sekitan ekika kōjō no kakuchō
Publisher: Minami Manshū Tetsudō Kabushiki Kaisha
Published: 1941
Place of publication: [Dairen]
Language: jpn
Number of pages: 12
Subjects: Coal; Coal gassification plants
Other titles: Sumi no hikari. Dai 247-gō (Supplement)
Notes: Cover title.

"Sumi no hikari dai 247-gō furoku."

Confidential document (stamped).