VOICE GUIDE SYSTEM FOR KEY TELEPHONE SET,申请号JP19900004521-传众专利搜索

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发明名称	VOICE GUIDE SYSTEM FOR KEY TELEPHONE SET
摘要
申请公布号	JPH03210862(A)	申请公布日期	1991.09.13
申请号	JP19900004521	申请日期	1990.01.16
申请人	NIPPON TELEGR & TELEPH CORP <NTT>	发明人	NAKAGAWA MAMORU
分类号	H04M3/42;H04M3/432;H04M3/533	主分类号	H04M3/42
代理机构		代理人
主权项
地址

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