ECHO CANCELER DEVICE,申请号JP19910164753-传众专利搜索

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发明名称	ECHO CANCELER DEVICE
摘要
申请公布号	JPH0514244(A)	申请公布日期	1993.01.22
申请号	JP19910164753	申请日期	1991.07.05
申请人	FUJITSU LTD	发明人	OGATA YOSHITERU
分类号	H03H15/00;H04B3/23	主分类号	H03H15/00
代理机构		代理人
主权项
地址

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