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发明名称
摘要
申请公布号	FR2419328(B1)	申请公布日期	1984.10.26
申请号	FR19790006094	申请日期	1979.03.09
申请人	NIPPON STEEL CORP	发明人
分类号	B21B1/26;C21D8/12;H01F1/16;(IPC1-7):C21D7/14;C22C38/02	主分类号	B21B1/26
代理机构		代理人
主权项
地址

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