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发明名称	SECRET COMMUNICATION SYSTEMS
摘要
申请公布号	GB2099662(B)	申请公布日期	1985.02.20
申请号	GB19810015658	申请日期	1981.05.26
申请人	FERRANTI LTD	发明人
分类号	H04B7/00;H04K1/00;(IPC1-7):H04B7/00	主分类号	H04B7/00
代理机构		代理人
主权项
地址

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