CONCRETO DE BAIXA DENSIDADE,申请号BR19770004981-传众专利搜索

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发明名称	CONCRETO DE BAIXA DENSIDADE
摘要
申请公布号	BR7704981(A)	申请公布日期	1979.02.20
申请号	BR19770004981	申请日期	1977.07.29
申请人	CARDOSO A	发明人	CARDOSO A
分类号	(IPC1-7):C04B23/00	主分类号	(IPC1-7):C04B23/00
代理机构		代理人
主权项
地址

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