Bi-directional broadcasting and interaction system,申请号GB20010011595-传众专利搜索

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发明名称	Bi-directional broadcasting and interaction system
摘要
申请公布号	GB0111595(D0)	申请公布日期	2001.07.04
申请号	GB20010011595	申请日期	2001.05.11
申请人	NEC CORPORATION	发明人
分类号	G06Q10/00;G06Q30/02;G06Q30/06;G06Q50/00;G06Q50/10	主分类号	G06Q10/00
代理机构		代理人
主权项
地址

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