FLOATING POINT TYPE ECHO CANCELLER,申请号JP19880268621-传众专利搜索

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发明名称	FLOATING POINT TYPE ECHO CANCELLER
摘要
申请公布号	JPH02113732(A)	申请公布日期	1990.04.25
申请号	JP19880268621	申请日期	1988.10.24
申请人	NEC CORP	发明人	MARUYAMA TADASUKE
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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