METHOD AND DEVICE FOR DETECTING DOUBLE TALK,申请号JP19870163654-传众专利搜索

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发明名称	METHOD AND DEVICE FOR DETECTING DOUBLE TALK
摘要
申请公布号	JPS647822(A)	申请公布日期	1989.01.11
申请号	JP19870163654	申请日期	1987.06.30
申请人	OKI ELECTRIC IND CO LTD	发明人	TSUJIKADO MITSUO;ITO YOSHIO;MIYAMOTO RYOICHI;NAKANO YOSHIKAZU
分类号	H04B3/23;H04B7/015	主分类号	H04B3/23
代理机构		代理人
主权项
地址

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