Appareils électriques discriminateurs de fréquence,申请号FRD950153-传众专利搜索

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发明名称	Appareils électriques discriminateurs de fréquence
摘要
申请公布号	FR950153(A)	申请公布日期	1949.09.20
申请号	FRD950153	申请日期	1947.07.25
申请人	INTERNATIONAL STANDARD ELECTRIC CORPORATION	发明人	LABIN EMILE;JR. NORMAN HUGH YOUNG
分类号	H01P7/04;H03D9/04	主分类号	H01P7/04
代理机构		代理人
主权项
地址

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