申请人 |
SUMITOMO METAL INDUSTRIES, LTD., OSAKA, JP;MITSUBISHI JUKOGYO K.K., TOKIO/TOKYO, JP |
发明人 |
ISEDA, ATSURO, KOBE-SHI, HYOGO-KEN, JP;SAWARAGI, YOSHIATSU, NISHINOMIYA-SHI, HYOGO-KEN, JP;MASUYAMA, FUJIMITSU, NISHISONOKI-GUN, NAGASAKI-KEN, JP;YOKOYAMA, TOMOMITSU, CHOFU-SHI, TOKYO, JP |