Improvements in radio telegraph receiving systems,申请号GB19290021953-传众专利搜索

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发明名称	Improvements in radio telegraph receiving systems
摘要
申请公布号	GB336625(A)	申请公布日期	1930.10.17
申请号	GB19290021953	申请日期	1929.07.17
申请人	WESTERN ELECTRIC COMPANY INCORPORATED	发明人
分类号	H04B7/08;H04L1/06	主分类号	H04B7/08
代理机构		代理人
主权项
地址

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