Chō seimitsu kakō, hyōsō kaishitsu gijutsu
Subtitle: Kikai Gijutsu Kenkyūjo dai 12-kai Kenkyū Kōenkai shiryō
Series: Gijutsu shiryō -- no. 143
Publisher: Nihon Sangyō Gijutsu Shinkō Kyōkai
Published: 1984
Place of publication: Tōkyō
Language: jpn
Number of pages: 111