Résonateur électrique creux,申请号FRD1155346-传众专利搜索

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发明名称	Résonateur électrique creux
摘要
申请公布号	FR1155346(A)	申请公布日期	1958.04.25
申请号	FRD1155346	申请日期	1956.08.02
申请人	ELECTRIC & MUSICAL INDUSTRIES LIMITED	发明人
分类号	H01P7/04;H01P7/06	主分类号	H01P7/04
代理机构		代理人
主权项
地址

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