Noyau magnétique et son procédé de fabrication,申请号FRD905536-传众专利搜索

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发明名称	Noyau magnétique et son procédé de fabrication
摘要
申请公布号	FR905536(A)	申请公布日期	1945.12.06
申请号	FRD905536	申请日期	1944.06.27
申请人	N. V. PHILIPS' GLOEILAMPENFABRIEKEN	发明人
分类号	C04B35/26;H01F1/34	主分类号	C04B35/26
代理机构		代理人
主权项
地址

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