,申请号JP19770034284-传众专利搜索

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发明名称
摘要
申请公布号	JPS615801(B2)	申请公布日期	1986.02.21
申请号	JP19770034284	申请日期	1977.03.28
申请人	NIPPON STEEL CORP	发明人	NANUN MICHIHIKO;MARUYAMA TADAKATSU;ITO KAMETARO
分类号	B21B3/00;B21B3/02;C21D6/00;C21D8/02	主分类号	B21B3/00
代理机构		代理人
主权项
地址

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