BIDIRECTIONAL SPEECH STATE JUDGING SYSTEM,申请号JP19890319896-传众专利搜索

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发明名称	BIDIRECTIONAL SPEECH STATE JUDGING SYSTEM
摘要
申请公布号	JPH03179931(A)	申请公布日期	1991.08.05
申请号	JP19890319896	申请日期	1989.12.08
申请人	NEC CORP	发明人	NAKAGAWA FUJIO
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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