Noyau magnétique polarisé notamment pour sonneries électriques à courant alternatif,申请号FRD1080986-传众专利搜索

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发明名称	Noyau magnétique polarisé notamment pour sonneries électriques à courant alternatif
摘要
申请公布号	FR1080986(A)	申请公布日期	1954.12.15
申请号	FRD1080986	申请日期	1953.07.07
申请人	AUTOPHON A. G.	发明人
分类号	G10K1/062	主分类号	G10K1/062
代理机构		代理人
主权项
地址

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