申请人 |
NIPPON STEEL CORP., TOKIO/TOKYO, JP |
发明人 |
NAKASHIMA, SHOZABURO, C/O NIPPON STEEL CO. R &D, KITAKYUSHU-SHI, FUKUOKA, JP;IWAYAMA, KENZO, C/O NIPPON STEEL CO. R & D, KITAKYUSHU-SHI, FUKUOKA, JP;IWANAGA, ISAO, C/O NIPPON STEEL CO. R & D, KITAKYUSHU-SHI, FUKUOKA, JP |