Sekitan kōgai fukkyū jigyō no ayumi
Subtitle: Sekitan Kōgai Jigyōdan nijunenshi
By: henshū Sekitan Kōgai Jigyōdan
Publisher: Sekitan Kōgai Jigyōdan
Published: 1989
Place of publication: Tōkyō
Language: jpn
Number of pages: 621
Subjects: History; Coal mines and mining; Safety regulations; Sekitan Kōgai Jigyōdan
Notes: Colophon title.