Selbsttaetige Ein- und Ausschaltvorrichtung fuer Sprech- oder Tonaufnahmemaschinen,申请号DED592241D-传众专利搜索

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发明名称	Selbsttaetige Ein- und Ausschaltvorrichtung fuer Sprech- oder Tonaufnahmemaschinen
摘要
申请公布号	DE592241(C)	申请公布日期	1934.02.03
申请号	DED592241D	申请日期	1930.06.28
申请人	WOLFGANG FISCHER	发明人
分类号	G11B17/02	主分类号	G11B17/02
代理机构		代理人
主权项
地址

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