| 申请人 |
DOWA MINING CO., LTD., TOKIO/TOKYO, JP |
发明人 |
UEDA, TOSHIO, C/O DOWA MINING CO.,LTD., CHIYODA-KU, TOKYO, JP;SATO, YUICHI, C/O DOWA MINING CO.,LTD., CHIYODA-KU, TOKYO, JP;SENDA, MASAYASU, C/O DOWA MINING CO.,LTD., CHIYODA-KU, TOKYO, JP;ISOYAMA, SEIJI, C/O DOWA MINING CO.,LTD., CHIYODA-KU, TOKYO, JP;HISANO, SEIICHI, C/O DOWA MINING CO.,LTD., CHIYODA-KU, TOKYO, JP |
