Kenkyū hakusho
Subtitle: waga kuni kōkōgyō ni okeru shiken kenkyū no genjō
By: Kōgyō Gijutsuchō [in] hen
Publisher: Nikkan Kōgyō Shimbunsha
Published: 1951
Place of publication: Tōkyō
Language: jpn
Number of pages: 193
Subjects: Mining research; Mineral industries
Notes: Errata slip inserted.