Plattensprechmaschine,申请号DE1935H142410D-传众专利搜索

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发明名称	Plattensprechmaschine
摘要
申请公布号	DE656331(C)	申请公布日期	1938.02.04
申请号	DE1935H142410D	申请日期	1935.01.13
申请人	DIPL.-ING. RICHARD HIRSCH	发明人
分类号	G11B17/22	主分类号	G11B17/22
代理机构		代理人
主权项
地址

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