Title: Ōsaka Kōgyō Shikenjo kihō.
Authors: Ōsaka Kōgyō Gijutsu Shikenjo.; Ōsaka Kōgyō Shikenjo.; Ōsaka Kōgyō Shikenjo.
Publisher: Kinki Shōkō Kyōkai, etc.]
Year: 1950
Subjects: Engineering Periodicals