| 申请人 |
NKK CORP;KAWASAKI STEEL CORP;SUMITOMO METAL IND LTD;KOBE STEEL LTD;SHINAGAWA REFRACT CO LTD |
发明人 |
YAMAMOTO SHINICHI;KAMEMIZU AKIRA;MURAKAMI NAOHIKO;ARIYOSHI MASAHIRO;NANBU MASAO;KUBO YOSHIKAZU;SATAKE YASUSHI;MOTOMA NOBUYUKI;OKAZAKI TOSHIYUKI;ANDO MITSUKAZU;KUROSHIMA HIROSHI |
