Système d'alimentation d'antennes pour ondes électromagnétiques,申请号FRD691421-传众专利搜索

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发明名称	Système d'alimentation d'antennes pour ondes électromagnétiques
摘要
申请公布号	FR691421(A)	申请公布日期	1930.10.21
申请号	FRD691421	申请日期	1930.03.07
申请人	TELEFUNKEN GESELLSCHAFT FUR DRAHTLOSE TELEGRAPHIE M. B. H.	发明人
分类号	H01Q21/10	主分类号	H01Q21/10
代理机构		代理人
主权项
地址

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