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公开(公告)号:EP1816226A4
公开(公告)日:2009-10-21
申请号:EP05790122
申请日:2005-09-28
申请人: NIPPON STEEL CORP
发明人: MIYAZAKI MASAFUMI , OHASHI WATARU , KUROSAKI YOUSUKE , KUBOTA TAKESHI , HARADA HIROSHI , KONNO TOMOHIRO , MATSUMOTO YUTAKA , KIRISHIKI KOICHI
CPC分类号: H01F1/14791 , C22C38/02 , C22C38/04 , C22C38/06 , H01F1/16