Improvements in or relating to radio navigation devices,申请号GB19400001934-传众专利搜索

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发明名称	Improvements in or relating to radio navigation devices
摘要
申请公布号	GB537089(A)	申请公布日期	1941.06.09
申请号	GB19400001934	申请日期	1940.01.31
申请人	MARCONI'S WIRELESS TELEGRAPH COMPANY LIMITED	发明人
分类号	G01S1/02;G01S19/13;G01S19/35	主分类号	G01S1/02
代理机构		代理人
主权项
地址

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