申请人 |
DORYOKURO KAKUNENRYO;SUMITOMO METAL IND;TOKYO SHIBAURA ELECTRIC CO;KOBE STEEL LTD |
发明人 |
ISHIDA TAIICHI;OKADA TAKESHI;KOBAYASHI HIROKI;IKUTOSHI TERUO;YOSHIKAWA KUNIHIKO;TERANISHI HIROSHI;TERASAWA TOMOTAKA;SHIMADA MASAYUKI;NAKAHIGASHI SHIGEO;NAGAI NOBUYUKI;OOTA SADAO;FURUYA TAKEMI |