申请人 |
MITSUI MINING & SMELTING CO., LTD., TOKIO/TOKYO, JP |
发明人 |
HAYASHI, TAKAO, SHIMONOSEKI-SHI, YAMAGUCHI, JP;SATO, NORIHIRO, SHIMONOSEKI-SHI, YAMAGUCHI, JP;KASAHARA, NOBUYOSHI, SAYAMA-SHI, SAITAMA, JP;YOSHIMARU, KATSUHIKO, AGEO-SHI, SAITAMA, JP;KAWARATANI, KOUICHI, SHIMONOSEKI-SHI, YAMAGUCHI, JP |