Elektrische Schalldose fuer Sprechmaschinen,申请号DE192900A7470D-传众专利搜索

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发明名称	Elektrische Schalldose fuer Sprechmaschinen
摘要
申请公布号	DE613236(C)	申请公布日期	1935.05.16
申请号	DE192900A7470D	申请日期	1929.04.16
申请人	ALLGEMEINE ELEKTRICITAETS-GESELLSCHAFT;ALLGEMEINE ELEKTRICITAETS-GESELLSCHAFT	发明人
分类号	H04R1/16;H04R11/08	主分类号	H04R1/16
代理机构		代理人
主权项
地址

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