申请人 |
NIPPON STEEL CORP., TOKIO/TOKYO, JP |
发明人 |
NAKAYAMA, HISANOBU NIPPON STEEL CORP. YAWATA;TANAKA, OSAMU NIPPON STEEL CORP. R&D LAB.-I;YASUMOTO, HIROMICHI NIPPON STEEL CORP. YAWATA;SENOO, SEIICHI NIPPON STEEL CORP. YAWATA W;ZAIZEN, YOUICHI NIPPON STEEL CORP. YAWATA W;YAMAZAKI, KOUJI NIPPON STEEL CORP. YAWATA WOR, KITAKYUSHU CITY FUKUOKA PRE., JP |