CENTER DELIVERY TYPE VIDEOTEX SYSTEM,申请号JP19890020454-传众专利搜索

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发明名称	CENTER DELIVERY TYPE VIDEOTEX SYSTEM
摘要
申请公布号	JPH02200054(A)	申请公布日期	1990.08.08
申请号	JP19890020454	申请日期	1989.01.30
申请人	NIPPON TELEGR & TELEPH CORP <NTT>	发明人	FUJIWARA NOBUO;FUJIE YOSHITAKA;AOYAMA KAZUTOYO;KANZAKI SEI
分类号	H04N7/173;H04M11/00;H04M11/02	主分类号	H04N7/173
代理机构		代理人
主权项
地址

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