申请人 |
SUMITOMO HEAVY INDUSTRIES, LTD., TOKIO/TOKYO, JP;NISSHIN STEEL CO., LTD., TOKIO/TOKYO, JP |
发明人 |
TAKESHIMA, EIKI, CHIBA-SHI, JP;TAKATSU, KIYOSHI, AKIYAMA, MATSUDO-SHI, JP;ASANO, NORIO ITOPIA GOTANDA 404, 10-14, TOKYO, JP;HOZUMI, MASAHIRO, MATSUDO-SHI, JP |