Procédé d'exploration du retour d'image en télévision,申请号FRD846431-传众专利搜索

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发明名称	Procédé d'exploration du retour d'image en télévision
摘要
申请公布号	FR846431(A)	申请公布日期	1939.09.18
申请号	FRD846431	申请日期	1938.11.22
申请人	FERNSEH AKT.-GES.	发明人
分类号	H04N3/24	主分类号	H04N3/24
代理机构		代理人
主权项
地址

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