Perfectionnements aux filtres de bande, notamment à ceux destinés à fonctionner sur une large gamme de fréquences,申请号FRD902630-传众专利搜索

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发明名称	Perfectionnements aux filtres de bande, notamment à ceux destinés à fonctionner sur une large gamme de fréquences
摘要
申请公布号	FR902630(A)	申请公布日期	1945.09.05
申请号	FRD902630	申请日期	1943.10.13
申请人	COMPAGNIE FARNCAISE THOMSON-HOUSTON	发明人
分类号	H03H7/01	主分类号	H03H7/01
代理机构		代理人
主权项
地址

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