Tankō hoan gijutsu kaihatsu 30-nenshi
Publisher: Sekitan Gijutsu Kenkyūjo
Published: 1992
Place of publication: [Tokyo]
Language: jpn
Number of pages: 414
Subjects: Safety measures; Research; Mine safety; Coal mines and mining; Sekitan Gijutsu Kenkyūjo; History
Other titles: Tankō hoan gijutsu kaihatsu sanjūnenshi.
Notes: Cover title.

Includes bibliographical references (p. 31).