Improvements in radio-communication systems,申请号GB19300038615-传众专利搜索

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发明名称	Improvements in radio-communication systems
摘要
申请公布号	GB369607(A)	申请公布日期	1932.03.22
申请号	GB19300038615	申请日期	1930.12.22
申请人	CHARLES EMILE VERDAN	发明人
分类号	H04B1/10;H04L1/06	主分类号	H04B1/10
代理机构		代理人
主权项
地址

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