TELEVISION CONFERENCE SYSTEM,申请号JP19930079276-传众专利搜索

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发明名称	TELEVISION CONFERENCE SYSTEM
摘要
申请公布号	JPH06291860(A)	申请公布日期	1994.10.18
申请号	JP19930079276	申请日期	1993.04.06
申请人	RICOH CO LTD	发明人	NAGAO SEIJI
分类号	H04M3/56;H04L12/18;H04N7/15	主分类号	H04M3/56
代理机构		代理人
主权项
地址

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