Perfectionnements aux antennes pour télégraphie sans fil,申请号FRD833396-传众专利搜索

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发明名称	Perfectionnements aux antennes pour télégraphie sans fil
摘要
申请公布号	FR833396(A)	申请公布日期	1938.10.20
申请号	FRD833396	申请日期	1938.02.08
申请人	ELECTRIC & MUSICAL INDUSTRIES LIMITED	发明人
分类号	H01Q11/06	主分类号	H01Q11/06
代理机构		代理人
主权项
地址

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