VARIABLE DELAY TYPE ECHO CANCELER,申请号JP19920051238-传众专利搜索

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发明名称	VARIABLE DELAY TYPE ECHO CANCELER
摘要
申请公布号	JPH05259944(A)	申请公布日期	1993.10.08
申请号	JP19920051238	申请日期	1992.03.10
申请人		发明人
分类号	H04B3/23;H04M1/58;H04Q3/42;(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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