APERFEICOAMENTO EM BICOS DE CANHAO DE LAMA DE ALTOS-FORNOS,申请号BR1986PI02164-传众专利搜索

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发明名称	APERFEICOAMENTO EM BICOS DE CANHAO DE LAMA DE ALTOS-FORNOS
摘要
申请公布号	BR8602164(A)	申请公布日期	1987.12.22
申请号	BR1986PI02164	申请日期	1986.05.06
申请人	COMPANHIA SIDERURGICA DE TUBARAO S/A - CST	发明人	JOILSON NAZARETH SEABRA;MASAHARU YAMANO;SEBASTIAO SILVERIO NUNES DA COSTA;ALMIR PEREIRA BRITO
分类号	C21B7/12;(IPC1-7):C21B7/12	主分类号	C21B7/12
代理机构		代理人
主权项
地址

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