Improved process of manufacturing magnetic material,申请号GB19470007310-传众专利搜索

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发明名称	Improved process of manufacturing magnetic material
摘要
申请公布号	GB645056(A)	申请公布日期	1950.10.25
申请号	GB19470007310	申请日期	1947.03.17
申请人	PHILIPS LAMPS LIMITED	发明人
分类号	C01G49/06;C04B35/26;H01F1/34	主分类号	C01G49/06
代理机构		代理人
主权项
地址

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