申请人 |
NIPPON STEEL & SUMITOMO METAL CORPORATION |
发明人 |
YAMAMURA, HIDEAKI;HAMADA, NAOYA;IZU, TADAHIRO;KURISU, YASUSHI;SUICHI, ISAO;MIYAZAKI, MASAFUMI;SEKI, KAZUMI;TAKEUCHI, EIICHI;YAMADA, MAMORU;OKA, HIDEKI;MARUKI, YASUO;ISHIMARU, EIICHIRO;NAKAYAMA, MITSURU |