Procédé perfectionné de fabrication d'électro-aimants et produit obtenu,申请号FRD57378-传众专利搜索

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发明名称	Procédé perfectionné de fabrication d'électro-aimants et produit obtenu
摘要
申请公布号	FR57378(E)	申请公布日期	1953.01.02
申请号	FRD57378	申请日期	1948.07.28
申请人		发明人	DUYCK GEORGES
分类号	H01F41/12	主分类号	H01F41/12
代理机构		代理人
主权项
地址

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