Perfectionnements aux systèmes d'antennes,申请号FRD738872-传众专利搜索

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发明名称	Perfectionnements aux systèmes d'antennes
摘要
申请公布号	FR738872(A)	申请公布日期	1932.12.30
申请号	FRD738872	申请日期	1932.06.21
申请人	MARCONI'S WIRELESS TELEGRAPH COMPANY LIMITED	发明人
分类号	H01Q19/13	主分类号	H01Q19/13
代理机构		代理人
主权项
地址

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