Filtre électriquement symétrique,申请号CHD325273-传众专利搜索

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发明名称	Filtre électriquement symétrique
摘要
申请公布号	CH325273(A)	申请公布日期	1957.10.31
申请号	CHD325273	申请日期	1951.12.24
申请人	COMPAGNIE INDUSTRIELLE DES TELEPHONES	发明人	LEROY,ROBERT
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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