Improved communication system,申请号GB20000006614-传众专利搜索

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发明名称	Improved communication system
摘要
申请公布号	GB0006614(D0)	申请公布日期	2000.05.10
申请号	GB20000006614	申请日期	2000.03.02
申请人	PRESSURECALL LTD	发明人
分类号	H04M3/38;H04M3/42;H04M3/436	主分类号	H04M3/38
代理机构		代理人
主权项
地址

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