Kobaruto kurasuto kōshō no kaihatsu riyō ni kansuru chōsa hōkoku
Series: Kagaku Gijutsuchō Shigen Chōsakai hōkoku -- dai 103-gō
Publisher: Kagaku Gijutsuchō Shigen Chōsakai
Published: 1986
Place of publication: [Tokyo]
Language: jpn
Number of pages: 78
Subjects: Cobalt ores; Cobalt mines and mining
Notes: Cover title.