DIGITAL ECHO CANCELLATION,申请号AU19790049488-传众专利搜索

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发明名称	DIGITAL ECHO CANCELLATION
摘要
申请公布号	AU525350(B2)	申请公布日期	1982.11.04
申请号	AU19790049488	申请日期	1979.08.02
申请人	CSELT-CENTRO STUDI E LABORATORI TELECOMUNICAZIONI S.P.A.	发明人	ROBERTO BILLI;MAURIZIO COPPERI
分类号	H04B3/20;H04B3/23;(IPC1-7):H04B3/20	主分类号	H04B3/20
代理机构		代理人
主权项
地址

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