METHOD FOR OPENING IRON TAPPING HOLE IN BLAST FURNACE,申请号JP19890248102-传众专利搜索

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发明名称	METHOD FOR OPENING IRON TAPPING HOLE IN BLAST FURNACE
摘要
申请公布号	JPH03111503(A)	申请公布日期	1991.05.13
申请号	JP19890248102	申请日期	1989.09.26
申请人	KAWASAKI STEEL CORP	发明人	FUJITA MASAO;ONO CHIKAO
分类号	C21B7/12	主分类号	C21B7/12
代理机构		代理人
主权项
地址

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