Installation de radio-diffusion de signaux modulés en fréquence,申请号FRD942970-传众专利搜索

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发明名称	Installation de radio-diffusion de signaux modulés en fréquence
摘要
申请公布号	FR942970(A)	申请公布日期	1949.02.23
申请号	FRD942970	申请日期	1947.03.10
申请人		发明人	ARMSTRONG EDWIN HOWARD
分类号	H04B14/00	主分类号	H04B14/00
代理机构		代理人
主权项
地址

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