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发明名称	TELEPHONE CONFERENCING SYSTEM
摘要
申请公布号	JPH09247279(A)	申请公布日期	1997.09.19
申请号	JP19960057266	申请日期	1996.03.14
申请人	OKI ELECTRIC IND CO LTD	发明人	TANI HIDEKI
分类号	H04M3/56;(IPC1-7):H04M3/56	主分类号	H04M3/56
代理机构		代理人
主权项
地址

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