APPARATUS FOR REPAIRING MOLTEN STEEL TAPPING HOLE IN CONVERTER,申请号JP19910002690-传众专利搜索

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发明名称	APPARATUS FOR REPAIRING MOLTEN STEEL TAPPING HOLE IN CONVERTER
摘要
申请公布号	JPH04236708(A)	申请公布日期	1992.08.25
申请号	JP19910002690	申请日期	1991.01.14
申请人	NIPPON STEEL CORP	发明人	ITO YASUNORI;KONO KAZUYUKI
分类号	C21C5/46	主分类号	C21C5/46
代理机构		代理人
主权项
地址

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