METHOD FOR PREVENTING EROSION OF BOTTOM BLOWING TUYERE,申请号JP19900140289-传众专利搜索

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发明名称	METHOD FOR PREVENTING EROSION OF BOTTOM BLOWING TUYERE
摘要
申请公布号	JPH0432507(A)	申请公布日期	1992.02.04
申请号	JP19900140289	申请日期	1990.05.30
申请人	NIPPON STEEL CORP	发明人	KOYANAGI TAKESHI;ANDO MICHIHIDE;TOKI MASAHIRO;KOSEKI TSUNEO
分类号	C21C5/30	主分类号	C21C5/30
代理机构		代理人
主权项
地址

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