Einrichtung zur Erzeugung einer photographischen Tonaufzeichnung in Intensitaetsschrift,申请号DE1927A052359D-传众专利搜索

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发明名称	Einrichtung zur Erzeugung einer photographischen Tonaufzeichnung in Intensitaetsschrift
摘要
申请公布号	DE612554(C)	申请公布日期	1935.04.29
申请号	DE1927A052359D	申请日期	1927.11.01
申请人	ALLGEMEINE ELEKTRICITAETS-GESELLSCHAFT;ALLGEMEINE ELEKTRICITAETS-GESELLSCHAFT	发明人
分类号	G01J1/42;G11B7/00	主分类号	G01J1/42
代理机构		代理人
主权项
地址

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