ECHO CANCELLOR USING DELTA MODULATION,申请号AU19850046267-传众专利搜索

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发明名称	ECHO CANCELLOR USING DELTA MODULATION
摘要
申请公布号	AU571726(B2)	申请公布日期	1988.04.21
申请号	AU19850046267	申请日期	1985.08.16
申请人	TELECOMMUNICATIONS RADIOELECTRIQUES ET TELEPHONIQUES T.R.T.,	发明人	GILBERT MARIE MARCEL FERRIEU
分类号	H04B3/23;(IPC1-7):H04B3/23	主分类号	H04B3/23
代理机构		代理人
主权项
地址

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