Dōro gijutsu
Subtitle: Dōro Gijutsu Senmon Shisatsudan hōkokusho
Series: Productivity report -- 69; Productivity report (Tokyo, Japan) -- 69.
Publisher: Nihon Seisansei Honbu
Published: 1959
Place of publication: Tōkyō
Language: jpn
Number of pages: 112