ECHO CANCELLING SYSTEM AND ECHO CANCELER,申请号JP19890285917-传众专利搜索

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发明名称	ECHO CANCELLING SYSTEM AND ECHO CANCELER
摘要
申请公布号	JPH03145826(A)	申请公布日期	1991.06.21
申请号	JP19890285917	申请日期	1989.10.31
申请人	TOSHIBA CORP	发明人	MINAMI SHIGENOBU;YAMAZAKI SHOICHIRO;ASANO ATSUSHI;YAMAGUCHI TAKESHI
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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