CONFERENCE COMMUNICATION SYSTEM,申请号JP19920065563-传众专利搜索

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发明名称	CONFERENCE COMMUNICATION SYSTEM
摘要
申请公布号	JPH0630137(A)	申请公布日期	1994.02.04
申请号	JP19920065563	申请日期	1992.03.24
申请人	NEC ENG LTD	发明人	SHIMURA TAKU
分类号	H04M3/02;H04M3/42;H04M3/56;(IPC1-7):H04M3/56	主分类号	H04M3/02
代理机构		代理人
主权项
地址

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