VIDEO CONFERENCE COMMUNICATION SWITCHING SYSTEM,申请号JP19890143522-传众专利搜索

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发明名称	VIDEO CONFERENCE COMMUNICATION SWITCHING SYSTEM
摘要
申请公布号	JPH039646(A)	申请公布日期	1991.01.17
申请号	JP19890143522	申请日期	1989.06.06
申请人	NIPPON STEEL CORP;FUJITSU LTD	发明人	YAMAMOTO SUSUMU;MURATA KAZUYUKI;YAMANOUCHI TOSHIO;SHUDA NOBUAKI
分类号	H04N7/15;H04M3/56	主分类号	H04N7/15
代理机构		代理人
主权项
地址

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