Improvements in radio navigation systems,申请号GB19460012285-传众专利搜索

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发明名称	Improvements in radio navigation systems
摘要
申请公布号	GB633762(A)	申请公布日期	1949.12.30
申请号	GB19460012285	申请日期	1946.04.23
申请人	MARCONI'S WIRELESS TELEGRAPH COMPANY, LIMITED	发明人
分类号	G01S1/20	主分类号	G01S1/20
代理机构		代理人
主权项
地址

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