APERFEICOAMENTO EM BLOCO OCO DE CONCRETO,申请号BR1991MU01366U-传众专利搜索

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发明名称	APERFEICOAMENTO EM BLOCO OCO DE CONCRETO
摘要
申请公布号	BR7101366(U)	申请公布日期	1993.02.09
申请号	BR1991MU01366U	申请日期	1991.06.27
申请人	OSWALDO FONTES DA SILVA	发明人	OSWALDO FONTES DA SILVA
分类号	E04B2/02;E04C3/30;(IPC1-7):E04C3/30	主分类号	E04B2/02
代理机构		代理人
主权项
地址

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