Magnetsystem fuer dynamische elektroakustische Geraete,申请号DE1948P002407-传众专利搜索

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发明名称	Magnetsystem fuer dynamische elektroakustische Geraete
摘要
申请公布号	DE800174(C)	申请公布日期	1950.10.12
申请号	DE1948P002407	申请日期	1948.10.02
申请人	TELEFONBAU;NORMALZEIT G.M.B.H.	发明人	HEIL FRIEDRICH
分类号	H04R9/02	主分类号	H04R9/02
代理机构		代理人
主权项
地址

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