APERFEICOAMENTO EM CAIXAS DE FUMACA,申请号BR1989PI06560-传众专利搜索

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发明名称	APERFEICOAMENTO EM CAIXAS DE FUMACA
摘要
申请公布号	BR8906560(A)	申请公布日期	1991.06.25
申请号	BR1989PI06560	申请日期	1989.12.19
申请人	USINAS SIDERURGICAS DE MINAS GERAIS S/A - USIMINAS (GRUPO SIDERBRAS)	发明人	EDSON LUGAO ALVES;MAURICIO GOMES CALHAU
分类号	C10B29/00;(IPC1-7):C10B29/00	主分类号	C10B29/00
代理机构		代理人
主权项
地址

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