Perfectionnements aux filtres électriques,申请号FRD1042679-传众专利搜索

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发明名称	Perfectionnements aux filtres électriques
摘要
申请公布号	FR1042679(A)	申请公布日期	1953.11.03
申请号	FRD1042679	申请日期	1950.12.06
申请人	COMPAGNIE FRANCAISE THOMSON-HOUSTON	发明人
分类号	H04B3/56	主分类号	H04B3/56
代理机构		代理人
主权项
地址

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