| 申请人 |
DOWA MINING CO., LTD., TOKIO/TOKYO, JP |
发明人 |
HISANO, SEIICHI C/O DOWA MINING CO., LTD, TOKYO, JP;SAITO, KAZUHISA C/O DOWA MINING CO., LTD, TOKYO, JP;AIZAWA, SATOSHI C/O DOWA MINING CO., LTD, TOKYO, JP;SANO, KAZUSHI C/O DOWA MINING CO., LTD, TOKYO, JP;MATSUMOTO, KAZUYUKI C/O DOWA MINING CO., LTD, TOKYO, JP;MURATA, KENJI C/O DOWA MINING CO., LTD, TOKYO, JP |
