CIRCUITO DETECTOR DE RUIDO DE FUNDO,申请号BR19860003171-传众专利搜索

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发明名称	CIRCUITO DETECTOR DE RUIDO DE FUNDO
摘要
申请公布号	BR8603171(A)	申请公布日期	1987.02.24
申请号	BR19860003171	申请日期	1986.07.07
申请人	NEC CORPORATION	发明人	AKIRA HAMADA
分类号	H04B1/10;H03G3/34;(IPC1-7):H04B1/10	主分类号	H04B1/10
代理机构		代理人
主权项
地址

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