申请人 |
SUMITOMO LIGHT METAL INDUSTRIES LTD., TOKIO/TOKYO, JP;HITACHI, LTD., TOKIO/TOKYO, JP |
发明人 |
OHARA, MAMORU, IKUNOYA, KUDAMATSU-SHI, JP;HATTORI, MORISHIGE, KUDAMATSU-SHI, JP;TAKEICHI, MICHIFUMI, KUDAMATSU-SHI, JP;OKUTO, KOICHIRO, SETAGAYA-KU, TOKYO, JP;IRIE, HIROSHI, TENPAKU-KU, NAGOYA-SHI, JP |