GERADOR ELETRONICO DE SINAL DE OCUPADO PARA INTERFONES,申请号BR19690211719-传众专利搜索

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发明名称	GERADOR ELETRONICO DE SINAL DE OCUPADO PARA INTERFONES
摘要
申请公布号	BR6911719(D0)	申请公布日期	1973.01.11
申请号	BR19690211719	申请日期	1969.08.20
申请人	DE JESUS FERREIRA R;CATHARINO I;SUCCI R;DA SILVA CALHEIROS C	发明人	DE JESUS FERREIRA R;CATHARINO I;SUCCI R;DA SILVA CALHEIROS C
分类号		主分类号
代理机构		代理人
主权项
地址

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