Improvements in or relating to frequency comparing systems,申请号GB19630006946-传众专利搜索

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发明名称	Improvements in or relating to frequency comparing systems
摘要
申请公布号	GB1070903(A)	申请公布日期	1967.06.07
申请号	GB19630006946	申请日期	1963.02.21
申请人	PLESSEY-U.K. LIMITED	发明人	PERKINS KENNETH GEORGE
分类号	H03D13/00;H03L7/091;H04L27/16	主分类号	H03D13/00
代理机构		代理人
主权项
地址

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