公开/公告号EP0913487A1
专利类型
公开/公告日1999-05-06
原文格式PDF
申请/专利权人 NIPPON STEEL CORPORATION;
申请/专利号EP19970949234
发明设计人 SHIMOMURA KENSUKENIPPON STEEL CORPORATION;SADACHIKA MASARUC/O NIPPON STEEL CORPORATION;TAKANO HIRONORIC/O NIPPON STEEL CORPORATION;OGAWA GAKUC/O NIPPON STEEL CORPORATION;ABE KENJIC/O NIPPON STEEL CORPORATION;OKIMORI MAYUMIC/O NIPPON STEEL CORPORATION;MAKINO NOBUYUKIC/O NIPPON STEEL CORPORATION;IWASAKI HIROSHIC/O NIPPON STEEL CORPORATION;TANAKA TOMOAKIC/O NIPPON STEEL CORPORATION;MORISHIGE HIROAKIC/O NIPPON STEEL CORPORATION;
申请日1997-12-25
分类号C21C7/10;C22C9/02;
国家 EP
入库时间 2022-08-22 02:19:02