Quang-yên Seirenjo narabini Chodien Kōzan chōsa hōkokusho
Publisher: Futsuin Shigen Chōsadan Hitetsu Kinzokuhan
Published: 1942
Place of publication: [Tokyo]
Language: jpn
Number of pages: 84
Subjects: Natural resources; Mines and mineral resources
Notes: Confidential document (rubber stamped).