Récepteur superhétérodyne pour signaux télégraphiques non modulés,申请号FRD970274-传众专利搜索

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发明名称	Récepteur superhétérodyne pour signaux télégraphiques non modulés
摘要
申请公布号	FR970274(A)	申请公布日期	1951.01.02
申请号	FRD970274	申请日期	1948.08.10
申请人	N.V. PHILIPS' GLOEILAMPENFABRIEKEN	发明人
分类号	H04L27/06	主分类号	H04L27/06
代理机构		代理人
主权项
地址

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