申请人 |
NIPPON MINING & METALS CO., LTD., TOKIO/TOKYO, JP |
发明人 |
NISHIMURA, EIJI, HATOYAMA-MACHI, HIKI-GUN, SAITAMA, JP;TOMINAGA, CHIKARA, KOHOKU-KU, YOKOHAMA-SHI, KANAGAWA, JP;MASUDA, YUSAKU, 1604 HORIKIRI, KUROBE-SHI, TOYAMA, JP;TASAKI, HIROSHI, SHIKATEBUKURO, URAWA-SHI, SAITAMA, JP |