Igyōshu kōryū 20-nen
Subtitle: shiriai, tsukaiai, tsukuriau
By: [henshū Ōsaka Kagaku Gijutsu Sentā Gijutsu to Shijō Kaihatsu Kenkyūkai]
Publisher: Ōsaka Kagaku Gijutsu Sentā Gijutsu to Shijō Kaihatsu Kenkyūkai
Published: 1990
Place of publication: Ōsaka-shi
Language: jpn
Number of pages: 180
Subjects: Industries; Technological innovations; History
Other titles: Igyōshu kōryū nijūnen.