申请人 |
NIPPON STEEL CORP., TOKYO, JP |
发明人 |
OKA, JOJI, TOKYO, JP;IWAKURA, HIDEAKI;TAKASUGI, MASASHI, KAWASAKI, KANAGAWA, JP;ANDO, NARUMI, TOKYO, JP;IWASAKI, KIYOTOSHI, KITAKYUSHU, FUKUOKA, JP;SHINDOW, YOSHIO, KISARAZU, CHIBA, JP;SAITO, TAKAO, HIMEJI, HYOGO, JP |