Improvements in and relating to tuyeres for blast furnaces,申请号GB19570037439-传众专利搜索

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发明名称	Improvements in and relating to tuyeres for blast furnaces
摘要
申请公布号	GB852078(A)	申请公布日期	1960.10.26
申请号	GB19570037439	申请日期	1957.12.02
申请人	INSTITUT DE RECHERCHES DE LA SIDERURGIE	发明人
分类号	C21B7/16	主分类号	C21B7/16
代理机构		代理人
主权项
地址

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