MANUFACTURE OF HIGH-QUALITY STEEL TUBE,申请号JP19910092918-传众专利搜索

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发明名称	MANUFACTURE OF HIGH-QUALITY STEEL TUBE
摘要
申请公布号	JPH04305302(A)	申请公布日期	1992.10.28
申请号	JP19910092918	申请日期	1991.03.29
申请人	SUMITOMO METAL IND LTD	发明人	NAKAJIMA MOTOHARU
分类号	B21B17/08;B21B21/00;C21D8/10;C21D9/08	主分类号	B21B17/08
代理机构		代理人
主权项
地址

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