Procédé permettant la réception son et vision de plusieurs émetteurs par commutation de points froids,申请号FRD1035868-传众专利搜索

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发明名称	Procédé permettant la réception son et vision de plusieurs émetteurs par commutation de points froids
摘要
申请公布号	FR1035868(A)	申请公布日期	1953.09.01
申请号	FRD1035868	申请日期	1951.04.17
申请人		发明人	DAUVILLIER PIERRE
分类号	H04N5/46	主分类号	H04N5/46
代理机构		代理人
主权项
地址

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