| 申请人 |
KAWASAKI STEEL CORP;NKK CORP;SUMITOMO METAL IND LTD;KANSAI COKE & CHEM CO LTD;SUMITOMO HEAVY IND LTD |
发明人 |
MATSUDA KEISHI;UCHIDA TETSUO;TAKAHASHI TAMOTSU;MATSUNO TSUTOMU;KAMEGAWA KEIJI;NUMAZAWA MAKOTO;MORIYA RYUZO;ITO HIDEKUNI;KONDO TOSHIO;OHIRA HIDEKI;HORINOUCHI SHUNJI;YAMADA SHIGERU;SHIRAISHI HIROYUKI;NISHIO TERUTSUNE;MORIMOTO HIDEAKI |
