NOVO SISTEMA DE PAINEL LUMINOSO COM TECLADO CONJUGADO PARA ENSINO DE TAQUIGRAFIA,申请号BR19690212213-传众专利搜索

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发明名称	NOVO SISTEMA DE PAINEL LUMINOSO COM TECLADO CONJUGADO PARA ENSINO DE TAQUIGRAFIA
摘要
申请公布号	BR6912213(D0)	申请公布日期	1973.01.18
申请号	BR19690212213	申请日期	1969.09.05
申请人	GONCALVES G	发明人	GONCALVES G
分类号		主分类号
代理机构		代理人
主权项
地址

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