PLURAL TRANSMISSION INPUT TYPE ECHO CANCELLER,申请号JP19880048620-传众专利搜索

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发明名称	PLURAL TRANSMISSION INPUT TYPE ECHO CANCELLER
摘要
申请公布号	JPH01223829(A)	申请公布日期	1989.09.06
申请号	JP19880048620	申请日期	1988.03.03
申请人	NEC CORP;NEC ENG LTD	发明人	MARUYAMA TADASUKE;NAGAMINE KAZUHIDE
分类号	H04B3/23	主分类号	H04B3/23
代理机构		代理人
主权项
地址

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