Improvements in or relating to time-division multiplex communication systems,申请号GB19520029267-传众专利搜索

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发明名称	Improvements in or relating to time-division multiplex communication systems
摘要
申请公布号	GB777933(A)	申请公布日期	1957.07.03
申请号	GB19520029267	申请日期	1952.11.19
申请人	H.M. POSTMASTER GENERAL	发明人	HARRIS LIONEL ROY FRANK
分类号	H04J3/00;H04Q11/04	主分类号	H04J3/00
代理机构		代理人
主权项
地址

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