Sound reproducing apparatus for endless band sound carriers,申请号US19380205697-传众专利搜索

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发明名称	Sound reproducing apparatus for endless band sound carriers
摘要
申请公布号	US2181112(A)	申请公布日期	1939.11.21
申请号	US19380205697	申请日期	1938.05.03
申请人	TEFI-APPARATEBAU DR. DANIEL K.-G.	发明人	FRIES GUSTAV
分类号	G11B15/70;G11B23/22	主分类号	G11B15/70
代理机构		代理人
主权项
地址

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