Sekitan Giken no 30-nen
Subtitle: Shōwa 35-nen--Heisei 2-nen : 1960-1990
Publisher: Sekitan Gijutsu Kenkyūjo
Published: 1992
Place of publication: [Tokyo]
Language: jpn
Number of pages: 143
Subjects: Safety measures; Research; Mine safety; Coal mines and mining; Sekitan Gijutsu Kenkyūjo; History
Other titles: Sekitan Giken no sanjūnen.