APERFEICOAMENTOS EM MODEM'S DIGITAIS DE BANDA-BASE,申请号BR19770003408-传众专利搜索

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发明名称	APERFEICOAMENTOS EM MODEM'S DIGITAIS DE BANDA-BASE
摘要
申请公布号	BR7703408(A)	申请公布日期	1978.04.04
申请号	BR19770003408	申请日期	1977.05.26
申请人	TELERJ TELECOM SA	发明人	MACHADO I;AMARAL L;COELHO M
分类号	(IPC1-7):H03K13/00	主分类号	(IPC1-7):H03K13/00
代理机构		代理人
主权项
地址

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